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Mülder DT, Hahn AI, Huang RJ, Zhou MJ, Blake B, Omofuma O, Murphy JD, Gutiérrez-Torres DS, Zauber AG, O'Mahony JF, Camargo MC, Ladabaum U, Yeh JM, Hur C, Lansdorp-Vogelaar I, Meester R, Laszkowska M. Prevalence of Gastric Precursor Lesions in Countries With Differential Gastric Cancer Burden: A Systematic Review and Meta-analysis. Clin Gastroenterol Hepatol 2024; 22:1605-1617.e46. [PMID: 38438000 PMCID: PMC11272442 DOI: 10.1016/j.cgh.2024.02.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 02/20/2024] [Accepted: 02/22/2024] [Indexed: 03/06/2024]
Abstract
BACKGROUND & AIMS The prevalence of precursor lesions for gastric cancer (GC) and the differential burden between countries of varying GC risk is not well-understood. We conducted a systematic review and meta-analysis to estimate the global prevalence of precursor lesions. METHODS We estimated the prevalence of atrophic gastritis (AG), gastric intestinal metaplasia (IM), and dysplasia in regions with low, medium, and high GC incidence. Because IM is an advanced manifestation of AG, we assessed the prevalence of less advanced precursors, regardless of the presence of more advanced lesions. Prevalence was sub-stratified by Helicobacter pylori infection, symptomatology, and period (<2000, 2000-2010, and >2010). RESULTS Among the 582 articles that underwent full-text review, 166 studies met inclusion criteria. The global prevalence estimates of AG, IM, and dysplasia were 25.4%, 16.2%, and 2.0%, respectively, on the basis of 126 studies that reported the prevalence of less advanced precursors, regardless of the presence of more advanced lesions. The prevalence of all precursor lesions was higher in high and medium compared with low GC incidence countries (P < .01). Prevalence of AG and IM was significantly higher among H pylori-infected individuals (P < .01) but not statistically different between symptomatic and asymptomatic individuals (P > .17). All precursors demonstrated a secular decrease in prevalence over time. CONCLUSIONS Gastric precursor lesions have differences in prevalence in regions with differential GC incidence and are associated with H pylori infection. Because of the substantial prevalence of precursor lesions in both symptomatic and asymptomatic individuals, symptomatic evaluation may not be sufficient to identify individuals at risk. These estimates provide important insights for tailoring GC prevention strategies.
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Affiliation(s)
- Duco T Mülder
- Department of Public Health, Erasmus Medical Center, Rotterdam, Netherlands
| | - Anne I Hahn
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Robert J Huang
- Division of Gastroenterology and Hepatology, Stanford University School of Medicine, Stanford, California
| | - Margaret J Zhou
- Division of Gastroenterology and Hepatology, Stanford University School of Medicine, Stanford, California
| | - Benjamin Blake
- Weill Cornell Medical College of Cornell University, New York, New York
| | - Omonefe Omofuma
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland
| | - John D Murphy
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland
| | | | - Ann G Zauber
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - James F O'Mahony
- Department of Public Health, Erasmus Medical Center, Rotterdam, Netherlands; School of Economics, University College Dublin, Dublin, Ireland
| | - M Constanza Camargo
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland
| | - Uri Ladabaum
- Division of Gastroenterology and Hepatology, Stanford University School of Medicine, Stanford, California
| | - Jennifer M Yeh
- Department of Pediatrics, Harvard Medical School, Boston Children's Hospital, Boston, Massachusetts
| | - Chin Hur
- Division of General Medicine, Department of Medicine, Columbia University Irving Medical Center, New York, New York; Herbert Irving Comprehensive Cancer Center, Columbia University Irving Medical Center, New York, New York
| | | | - Reinier Meester
- Department of Public Health, Erasmus Medical Center, Rotterdam, Netherlands; Health Economics & Outcomes Research, Freenome Holdings Inc, San Francisco, California
| | - Monika Laszkowska
- Gastroenterology, Hepatology, and Nutrition Service, Department of Subspecialty Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.
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2
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Lee SH, Won Y, Gibbs D, Caldwell B, Goldstein A, Choi E, Goldenring JR. Amphiregulin Switches Progenitor Cell Fate for Lineage Commitment During Gastric Mucosal Regeneration. Gastroenterology 2024; 167:469-484. [PMID: 38492892 PMCID: PMC11260537 DOI: 10.1053/j.gastro.2024.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 03/06/2024] [Accepted: 03/07/2024] [Indexed: 03/18/2024]
Abstract
BACKGROUND & AIMS Isthmic progenitors, tissue-specific stem cells in the stomach corpus, maintain mucosal homeostasis by balancing between proliferation and differentiation to gastric epithelial lineages. The progenitor cells rapidly adopt an active state in response to mucosal injury. However, it remains unclear how the isthmic progenitor cell niche is controlled during the regeneration of damaged epithelium. METHODS We recapitulated tissue recovery process after acute mucosal injury in the mouse stomach. Bromodeoxyuridine incorporation was used to trace newly generated cells during the injury and recovery phases. To define the epithelial lineage commitment process during recovery, we performed single-cell RNA-sequencing on epithelial cells from the mouse stomachs. We validated the effects of amphiregulin (AREG) on mucosal recovery, using recombinant AREG treatment or AREG-deficient mice. RESULTS We determined that an epidermal growth factor receptor ligand, AREG, can control progenitor cell lineage commitment. Based on the identification of lineage-committed subpopulations in the corpus epithelium through single-cell RNA-sequencing and bromodeoxyuridine incorporation, we showed that isthmic progenitors mainly transition into short-lived surface cell lineages but are less frequently committed to long-lived parietal cell lineages in homeostasis. However, mucosal regeneration after damage directs the lineage commitment of isthmic progenitors towards parietal cell lineages. During recovery, AREG treatment promoted repopulation with parietal cells, while suppressing surface cell commitment of progenitors. In contrast, transforming growth factor-α did not alter parietal cell regeneration, but did induce expansion of surface cell populations. AREG deficiency impairs parietal cell regeneration but increases surface cell commitment. CONCLUSIONS These data demonstrate that different epidermal growth factor receptor ligands can distinctly regulate isthmic progenitor-driven mucosal regeneration and lineage commitment.
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Affiliation(s)
- Su-Hyung Lee
- Section of Surgical Sciences, Vanderbilt University Medical Center, Nashville, Tennessee; Epithelial Biology Center, Vanderbilt University Medical Center, Nashville, Tennessee.
| | - Yoonkyung Won
- Section of Surgical Sciences, Vanderbilt University Medical Center, Nashville, Tennessee; Epithelial Biology Center, Vanderbilt University Medical Center, Nashville, Tennessee
| | - David Gibbs
- Institute for Systems Biology, Seattle, Washington
| | - Brianna Caldwell
- Section of Surgical Sciences, Vanderbilt University Medical Center, Nashville, Tennessee; Epithelial Biology Center, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Anna Goldstein
- Section of Surgical Sciences, Vanderbilt University Medical Center, Nashville, Tennessee; Epithelial Biology Center, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Eunyoung Choi
- Section of Surgical Sciences, Vanderbilt University Medical Center, Nashville, Tennessee; Epithelial Biology Center, Vanderbilt University Medical Center, Nashville, Tennessee; Department of Cell and Developmental Biology, Vanderbilt University, Nashville, Tennessee
| | - James R Goldenring
- Section of Surgical Sciences, Vanderbilt University Medical Center, Nashville, Tennessee; Epithelial Biology Center, Vanderbilt University Medical Center, Nashville, Tennessee; Department of Cell and Developmental Biology, Vanderbilt University, Nashville, Tennessee; Nashville VA Medical Center, Nashville, Tennessee.
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3
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Granot M, Beinvogl BC, Schvimer M, Goldsmith JD, Matar M, Ben Tov A, Feler AY, Nachum N, Morgenstern S, Mayer C, Shamir R, Weiss B, Shouval DS. Clinical characteristics and outcomes of pediatric patients with autoimmune gastritis. J Pediatr Gastroenterol Nutr 2024. [PMID: 39010761 DOI: 10.1002/jpn3.12318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 06/23/2024] [Accepted: 07/02/2024] [Indexed: 07/17/2024]
Abstract
OBJECTIVES Autoimmune gastritis (AIG) is a rare chronic inflammatory disorder with potential long-term sequelae including gastric neoplasia. There is limited data on the natural history of pediatric AIG. We aimed to characterize the clinical course and outcomes of children with AIG. METHODS This was a multicenter retrospective study that included pediatric patients diagnosed with AIG between January 1, 2000 and December 31, 2021. Diagnosis of AIG was based on the demonstration of histological corpus-predominant atrophic gastritis, with or without positive antiparietal cell (APCA) or anti-intrinsic factor (IF) antibodies. Demographic, clinical, laboratory, endoscopic, and histologic data were retrieved, along with follow-up data. RESULTS Thirty-three patients, (23 females, [69.7%], median age 12.0 [interquartile range 7.0-15.0] years at diagnosis) were identified. Twenty-two patients (66.7%) had positive APCA and/or anti-IF serology. The most common presenting manifestation was iron deficiency anemia (75%), and accompanying autoimmune disorders were significantly more common in patients with positive serology (62% vs. 18%, p < 0.05). Pseudo-pyloric or intestinal-type metaplasia was present at diagnosis in eight patients (24%), and 11 additional patients (33%) developed metaplasia during a median follow-up time of 27 (17.5-48.3) months. One patient developed a type 1 gastric neuroendocrine tumor. Helicobacter pylori was identified in only one patient, while two patients had prior eradication. Endoscopic and histologic improvements weren't identified in any patients. CONCLUSIONS AIG should be considered in patients with autoimmunity and resistant iron-deficiency anemia. H. pylori infection may not be associated with pediatric AIG. The development of neuroendocrine tumor in one patient, and the high rates of metaplasia, highlight the importance of surveillance.
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Affiliation(s)
- Maya Granot
- Pediatric Gastroenterology and Nutrition Unit, Edmond and Lily Safra Children's Hospital, Ramat Gan, Israel
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Beate C Beinvogl
- Division of Gastroenterology, Hepatology and Nutrition, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Michael Schvimer
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Institute of Pathology, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel
| | - Jeffrey D Goldsmith
- Department of Pathology, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Manar Matar
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Institute of Gastroenterology, Nutrition, and Liver Diseases, Schneider Children's Medical Center of Israel, Petah Tikva, Israel
| | - Amir Ben Tov
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Pediatric Gastroenterology Institute, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Anat Y Feler
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Pediatric Gastroenterology Institute, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Nurit Nachum
- Pediatric Gastroenterology and Nutrition Unit, Edmond and Lily Safra Children's Hospital, Ramat Gan, Israel
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Sara Morgenstern
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Institute of Pathology, Rabin Medical Center, Petah Tikva, Israel
| | - Chen Mayer
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Institute of Pathology, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel
| | - Raanan Shamir
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Institute of Gastroenterology, Nutrition, and Liver Diseases, Schneider Children's Medical Center of Israel, Petah Tikva, Israel
| | - Batia Weiss
- Pediatric Gastroenterology and Nutrition Unit, Edmond and Lily Safra Children's Hospital, Ramat Gan, Israel
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Dror S Shouval
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Institute of Gastroenterology, Nutrition, and Liver Diseases, Schneider Children's Medical Center of Israel, Petah Tikva, Israel
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Tziatzios G, Ziogas DΙ, Gkolfakis P, Papadopoulos V, Papaefthymiou A, Mathou N, Giannakopoulos A, Gerasimatos G, Paraskeva KD, Triantafyllou K. Endoscopic Grading and Sampling of Gastric Precancerous Lesions: A Comprehensive Literature Review. Curr Oncol 2024; 31:3923-3938. [PMID: 39057162 PMCID: PMC11276348 DOI: 10.3390/curroncol31070290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 07/02/2024] [Accepted: 07/04/2024] [Indexed: 07/28/2024] Open
Abstract
Gastric cancer remains a disease with an ominous prognosis, while early gastric cancer has a good-to-excellent prognosis, with 5-year survival rates of up to 92.6% after successful endoscopic resection. In this context, the accurate identification of patients with established gastric precancerous lesions, namely chronic atrophic gastritis and intestinal metaplasia, is the first step in a stepwise approach to minimize cancer risk. Although current guidelines advocate for the execution of random biopsies to stage the extent and severity of gastritis/intestinal metaplasia, modern biopsy protocols are still imperfect as they have limited reproducibility and are susceptible to sampling error. The advent of novel imaging-enhancing modalities, i.e., high-definition with virtual chromoendoscopy (CE), has revolutionized the inspection of gastric mucosa, leading to an endoscopy-based staging strategy for the management of these premalignant changes in the stomach. Nowadays, the incorporation of CE-targeted biopsies in everyday clinical practice offers not only the robust detection of premalignant lesions but also an improvement in quality, by reducing missed diagnoses along with mean biopsies and, thus, the procedural costs and the environmental footprint. In this review, we summarize the recent evidence regarding the endoscopic grading and sampling of gastric precancerous lesions.
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Affiliation(s)
- Georgios Tziatzios
- Department of Gastroenterology, General Hospital of Nea Ionia “Konstantopoulio-Patision”, 3-5, Theodorou Konstantopoulou, 14233 Athens, Greece; (P.G.); (N.M.); (A.G.); (G.G.); (K.D.P.)
| | - Dimitrios Ι. Ziogas
- 1st Department of Internal Medicine, 251 Hellenic Air Force & VA General Hospital, 11525 Athina, Greece;
| | - Paraskevas Gkolfakis
- Department of Gastroenterology, General Hospital of Nea Ionia “Konstantopoulio-Patision”, 3-5, Theodorou Konstantopoulou, 14233 Athens, Greece; (P.G.); (N.M.); (A.G.); (G.G.); (K.D.P.)
| | - Vasilios Papadopoulos
- Department of Gastroenterology, General University Hospital of Larissa, 41334 Larissa, Greece; (V.P.); (A.P.)
| | - Apostolis Papaefthymiou
- Department of Gastroenterology, General University Hospital of Larissa, 41334 Larissa, Greece; (V.P.); (A.P.)
- Endoscopy Unit, Cleveland Clinic London, London SW1X 7HY, UK
| | - Nikoletta Mathou
- Department of Gastroenterology, General Hospital of Nea Ionia “Konstantopoulio-Patision”, 3-5, Theodorou Konstantopoulou, 14233 Athens, Greece; (P.G.); (N.M.); (A.G.); (G.G.); (K.D.P.)
| | - Athanasios Giannakopoulos
- Department of Gastroenterology, General Hospital of Nea Ionia “Konstantopoulio-Patision”, 3-5, Theodorou Konstantopoulou, 14233 Athens, Greece; (P.G.); (N.M.); (A.G.); (G.G.); (K.D.P.)
| | - Gerasimos Gerasimatos
- Department of Gastroenterology, General Hospital of Nea Ionia “Konstantopoulio-Patision”, 3-5, Theodorou Konstantopoulou, 14233 Athens, Greece; (P.G.); (N.M.); (A.G.); (G.G.); (K.D.P.)
| | - Konstantina D. Paraskeva
- Department of Gastroenterology, General Hospital of Nea Ionia “Konstantopoulio-Patision”, 3-5, Theodorou Konstantopoulou, 14233 Athens, Greece; (P.G.); (N.M.); (A.G.); (G.G.); (K.D.P.)
| | - Konstantinos Triantafyllou
- Hepatogastroenterology Unit, Second Department of Internal Medicine, Propaedeutic, Medical School, National and Kapodistrian University of Athens, ‘‘Attikon” University General Hospital, 77591 Athens, Greece;
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5
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Genta RM, Singhal A, Choi C, Turner KO. Gastric Cancer and Its Precursor Lesions: Unraveling the Diversity in Asian Risk Profiles. Clin Gastroenterol Hepatol 2024; 22:1151-1156. [PMID: 38797533 DOI: 10.1016/j.cgh.2024.02.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/23/2024] [Accepted: 02/26/2024] [Indexed: 05/29/2024]
Affiliation(s)
- Robert M Genta
- Inform Diagnostics-Fulgent, Gastrointestinal Pathology, Irving, Texas; Departments of Pathology and Medicine (Gastroenterology), Baylor College of Medicine, Houston, Texas
| | - Anuradha Singhal
- Inform Diagnostics-Fulgent, Gastrointestinal Pathology, Irving, Texas
| | | | - Kevin O Turner
- Inform Diagnostics-Fulgent, Gastrointestinal Pathology, Irving, Texas; Department of Pathology, University of Minnesota, Minneapolis, Minnesota
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Malfertheiner P, Schulz C, Hunt RH. Helicobacter pylori Infection: A 40-Year Journey through Shifting the Paradigm to Transforming the Management. Dig Dis 2024; 42:299-308. [PMID: 38447558 DOI: 10.1159/000538079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Accepted: 02/26/2024] [Indexed: 03/08/2024]
Abstract
BACKGROUND Helicobacter pylori (H. pylori) was discovered 40 years ago and has set a milestone in human medicine. The discovery led to rejection of the dogma of the acidic stomach as a sterile organ and requested to rewrite the chapters on gastric pathophysiology and gastroduodenal diseases. SUMMARY Over a period of 40 years following the discovery, more than 50,000 articles can be retrieved in PubMed as of today and illustrate the amount and the intensity of research around the role of this bacterium. H. pylori emerged as cause of chronic gastritis and principal cause of peptic ulcer disease (PUD). Eradication of H. pylori became standard of care in management in PUD. The importance of this was highlighted in 2005 with the Nobel Prize in Medicine awarded to Barry Marshall and Robin Warren. H. pylori became eventually recognized for its oncogenic potential in the stomach and as the main risk factor for gastric cancer development. KEY MESSAGES H. pylori gastritis is defined as infectious disease and requires therapy in all infected individuals. Strategies of gastric cancer prevention and development of therapies to overcome the increasing antibiotic resistance are main targets in clinical research of today.
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Affiliation(s)
- Peter Malfertheiner
- Department of Gastroenterology, Hepatology and Infectious Diseases, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
- Medical Department 2, LMU, Munich, Germany
| | - Christian Schulz
- Medical Department 2, LMU, Munich, Germany,
- Partner Site Munich, DZIF, Braunschweig, Germany,
| | - Richard H Hunt
- Farncombe Family Digestive Health Research Institute and Division of Gastroenterology, Department of Medicine, McMaster University Faculty of Health Sciences, Hamilton, Ontario, Canada
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7
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Fang S, Liu Z, Qiu Q, Tang Z, Yang Y, Kuang Z, Du X, Xiao S, Liu Y, Luo Y, Gu L, Tian L, Liang X, Fan G, Zhang Y, Zhang P, Zhou W, Liu X, Tian J, Wei W. Diagnosing and grading gastric atrophy and intestinal metaplasia using semi-supervised deep learning on pathological images: development and validation study. Gastric Cancer 2024; 27:343-354. [PMID: 38095766 PMCID: PMC10896941 DOI: 10.1007/s10120-023-01451-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 11/09/2023] [Indexed: 02/28/2024]
Abstract
OBJECTIVE Patients with gastric atrophy and intestinal metaplasia (IM) were at risk for gastric cancer, necessitating an accurate risk assessment. We aimed to establish and validate a diagnostic approach for gastric biopsy specimens using deep learning and OLGA/OLGIM for individual gastric cancer risk classification. METHODS In this study, we prospectively enrolled 545 patients suspected of atrophic gastritis during endoscopy from 13 tertiary hospitals between December 22, 2017, to September 25, 2020, with a total of 2725 whole-slide images (WSIs). Patients were randomly divided into a training set (n = 349), an internal validation set (n = 87), and an external validation set (n = 109). Sixty patients from the external validation set were randomly selected and divided into two groups for an observer study, one with the assistance of algorithm results and the other without. We proposed a semi-supervised deep learning algorithm to diagnose and grade IM and atrophy, and we compared it with the assessments of 10 pathologists. The model's performance was evaluated based on the area under the curve (AUC), sensitivity, specificity, and weighted kappa value. RESULTS The algorithm, named GasMIL, was established and demonstrated encouraging performance in diagnosing IM (AUC 0.884, 95% CI 0.862-0.902) and atrophy (AUC 0.877, 95% CI 0.855-0.897) in the external test set. In the observer study, GasMIL achieved an 80% sensitivity, 85% specificity, a weighted kappa value of 0.61, and an AUC of 0.953, surpassing the performance of all ten pathologists in diagnosing atrophy. Among the 10 pathologists, GasMIL's AUC ranked second in OLGA (0.729, 95% CI 0.625-0.833) and fifth in OLGIM (0.792, 95% CI 0.688-0.896). With the assistance of GasMIL, pathologists demonstrated improved AUC (p = 0.013), sensitivity (p = 0.014), and weighted kappa (p = 0.016) in diagnosing IM, and improved specificity (p = 0.007) in diagnosing atrophy compared to pathologists working alone. CONCLUSION GasMIL shows the best overall performance in diagnosing IM and atrophy when compared to pathologists, significantly enhancing their diagnostic capabilities.
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Affiliation(s)
- Shuangshuang Fang
- Beijing Key Laboratory of Functional Gastrointestinal Disorders Diagnosis and Treatment of Traditional Chinese Medicine; Department of Gastroenterology, Wangjing Hospital, China Academy of Chinese Medical Sciences, No. 6, Zhonghuan South Road, Wangjing, Beijing, 100102, China
| | - Zhenyu Liu
- CAS Key Laboratory of Molecular Imaging, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China
- School of Artificial Intelligence, University of Chinese Academy of Science, Beijing, 100190, China
| | - Qi Qiu
- CAS Key Laboratory of Molecular Imaging, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China
- School of Artificial Intelligence, University of Chinese Academy of Science, Beijing, 100190, China
| | - Zhenchao Tang
- Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, School of Engineering Medicine, Beihang University, Beijing, 100191, China
| | - Yang Yang
- Beijing Key Laboratory of Functional Gastrointestinal Disorders Diagnosis and Treatment of Traditional Chinese Medicine; Department of Gastroenterology, Wangjing Hospital, China Academy of Chinese Medical Sciences, No. 6, Zhonghuan South Road, Wangjing, Beijing, 100102, China
| | - Zhongsheng Kuang
- Department of Pathology, The First Affiliated Hospital of Guangdong University of Traditional Chinese Medicine, Guangzhou, 510405, China
| | - Xiaohua Du
- Department of Pathology, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, 510120, China
| | - Shanshan Xiao
- Department of Pathology, The First Affiliated Hospital of Guangdong University of Traditional Chinese Medicine, Guangzhou, 510405, China
| | - Yanyan Liu
- Department of Pathology, The First Affiliated Hospital of Guangdong University of Traditional Chinese Medicine, Guangzhou, 510405, China
| | - Yuanbin Luo
- Department of Pathology, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, 730050, China
| | - Liping Gu
- Department of Pathology, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, 730050, China
| | - Li Tian
- Department of Pathology, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, 730050, China
| | - Xiaoxia Liang
- Department of Pathology, Shanxi Provincial Hospital of Traditional Chinese Medicine, Taiyuan, 030012, China
| | - Guiling Fan
- Department of Pathology, Shanxi Provincial Hospital of Traditional Chinese Medicine, Taiyuan, 030012, China
| | - Yu Zhang
- Department of Pathology, Shanxi Provincial Hospital of Traditional Chinese Medicine, Taiyuan, 030012, China
| | - Ping Zhang
- Department of Pathology, Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, 100102, China
| | - Weixun Zhou
- Department of Pathology, Peking Union Medical College Hospital, Beijing, 100730, China
| | - Xiuli Liu
- Department of Pathology and Immunology, Washington University, St. Louis, MO, 98195, USA
| | - Jie Tian
- CAS Key Laboratory of Molecular Imaging, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China
- School of Artificial Intelligence, University of Chinese Academy of Science, Beijing, 100190, China
- Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, School of Engineering Medicine, Beihang University, Beijing, 100191, China
- Engineering Research Center of Molecular and Neuro Imaging of Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an, 710126, Shaanxi, China
| | - Wei Wei
- Beijing Key Laboratory of Functional Gastrointestinal Disorders Diagnosis and Treatment of Traditional Chinese Medicine; Department of Gastroenterology, Wangjing Hospital, China Academy of Chinese Medical Sciences, No. 6, Zhonghuan South Road, Wangjing, Beijing, 100102, China.
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Farinati F, Pelizzaro F. Gastric cancer screening in Western countries: A call to action. Dig Liver Dis 2024:S1590-8658(24)00269-X. [PMID: 38403513 DOI: 10.1016/j.dld.2024.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 02/11/2024] [Accepted: 02/12/2024] [Indexed: 02/27/2024]
Abstract
Gastric cancer is a major cause of cancer-related death worldwide, despite the reduction in its incidence. The disease is still burdened with a poor prognosis, particularly in Western countries. The main risk factor is the infection by Helicobacter pylori, classified as a class I carcinogen by the IARC, and It is well-known that primary prevention of gastric cancer can be achieved with the eradication of the infection. Moreover, non-invasive measurement of pepsinogens (PGI and PGI/PGII ratio) allows the identification of patients that should undergo upper gastrointestinal (GI) endoscopy. Gastric non-cardia adenocarcinoma is indeed preceded by a well-defined precancerous process that involves consecutive stages, described for the first time by Correa et al. more than 40 years ago, and patients with advance stages of gastric atrophy/intestinal metaplasia and with dysplastic changes should be followed-up periodically with upper GI endoscopies. Despite these effective screening and surveillance methods, national-level screening campaigns have been adopted only in few countries in eastern Asia (Japan and South Korea). In this review, we describe primary and secondary preventive measures for gastric cancer, discussing the need to introduce screening also in Western countries. Moreover, we propose a simple algorithm for screening that could be easily applied in clinical practice.
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Affiliation(s)
- Fabio Farinati
- Department of Surgery, Oncology and Gastroenterology, University of Padova, Via Giustiniani 2, Padova 35128, Italy; Gastroenterology Unit, Azienda Ospedale-Università di Padova, Via Giustiniani 2, Padova 35128, Italy.
| | - Filippo Pelizzaro
- Department of Surgery, Oncology and Gastroenterology, University of Padova, Via Giustiniani 2, Padova 35128, Italy; Gastroenterology Unit, Azienda Ospedale-Università di Padova, Via Giustiniani 2, Padova 35128, Italy
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9
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Niu W, Liu L, Dong Z, Bu X, Yao F, Wang J, Wu X, Chen C, Mao T, Wu Y, Yuan L, Wan X, Zhou H. A deep learning model based on magnifying endoscopy with narrow-band imaging to evaluate intestinal metaplasia grading and OLGIM staging: A multicenter study. Dig Liver Dis 2024:S1590-8658(24)00261-5. [PMID: 38402085 DOI: 10.1016/j.dld.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 02/04/2024] [Accepted: 02/05/2024] [Indexed: 02/26/2024]
Abstract
BACKGROUND AND PURPOSE Patients with stage III or IV of operative link for gastric intestinal metaplasia assessment (OLGIM) are at a higher risk of gastric cancer (GC). We aimed to construct a deep learning (DL) model based on magnifying endoscopy with narrow-band imaging (ME-NBI) to evaluate OLGIM staging. METHODS This study included 4473 ME-NBI images obtained from 803 patients at three endoscopy centres. The endoscopic expert marked intestinal metaplasia (IM) regions on endoscopic images of the target biopsy sites. Faster Region-Convolutional Neural Network model was used to grade IM lesions and predict OLGIM staging. RESULTS The diagnostic performance of the model for IM grading in internal and external validation sets, as measured by the area under the curve (AUC), was 0.872 and 0.803, respectively. The accuracy of this model in predicting the high-risk stage of OLGIM was 84.0%, which was not statistically different from that of three junior (71.3%, p = 0.148) and three senior endoscopists (75.3%, p = 0.317) specially trained in endoscopic images corresponding to pathological IM grade, but higher than that of three untrained junior endoscopists (64.0%, p = 0.023). CONCLUSION This DL model can assist endoscopists in predicting OLGIM staging using ME-NBI without biopsy, thereby facilitating screening high-risk patients for GC.
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Affiliation(s)
- Wenlu Niu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Leheng Liu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Pancreatic Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhixia Dong
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Xiongzhu Bu
- School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Fanghao Yao
- School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Jing Wang
- Department of Pathology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaowan Wu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Congying Chen
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Tiancheng Mao
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Pancreatic Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yulun Wu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Pancreatic Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lin Yuan
- Department of Pathology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xinjian Wan
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
| | - Hui Zhou
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Pancreatic Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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10
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Rugge M, Genta RM, Malfertheiner P, Dinis-Ribeiro M, El-Serag H, Graham DY, Kuipers EJ, Leung WK, Park JY, Rokkas T, Schulz C, El-Omar EM. RE.GA.IN.: the Real-world Gastritis Initiative-updating the updates. Gut 2024; 73:407-441. [PMID: 38383142 DOI: 10.1136/gutjnl-2023-331164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 12/18/2023] [Indexed: 02/23/2024]
Abstract
At the end of the last century, a far-sighted 'working party' held in Sydney, Australia addressed the clinicopathological issues related to gastric inflammatory diseases. A few years later, an international conference held in Houston, Texas, USA critically updated the seminal Sydney classification. In line with these initiatives, Kyoto Global Consensus Report, flanked by the Maastricht-Florence conferences, added new clinical evidence to the gastritis clinicopathological puzzle.The most relevant topics related to the gastric inflammatory diseases have been addressed by the Real-world Gastritis Initiative (RE.GA.IN.), from disease definitions to the clinical diagnosis and prognosis. This paper reports the conclusions of the RE.GA.IN. consensus process, which culminated in Venice in November 2022 after more than 8 months of intense global scientific deliberations. A forum of gastritis scholars from five continents participated in the multidisciplinary RE.GA.IN. consensus. After lively debates on the most controversial aspects of the gastritis spectrum, the RE.GA.IN. Faculty amalgamated complementary knowledge to distil patient-centred, evidence-based statements to assist health professionals in their real-world clinical practice. The sections of this report focus on: the epidemiology of gastritis; Helicobacter pylori as dominant aetiology of environmental gastritis and as the most important determinant of the gastric oncogenetic field; the evolving knowledge on gastric autoimmunity; the clinicopathological relevance of gastric microbiota; the new diagnostic horizons of endoscopy; and the clinical priority of histologically reporting gastritis in terms of staging. The ultimate goal of RE.GA.IN. was and remains the promotion of further improvement in the clinical management of patients with gastritis.
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Affiliation(s)
- Massimo Rugge
- Department of Medicine-DIMED, University of Padova, Padua, Italy
- Azienda Zero, Veneto Tumour Registry, Padua, Italy
| | - Robert M Genta
- Gastrointestinal Pathology, Inform Diagnostics Research Institute, Dallas, Texas, USA
- Pathology, Baylor College of Medicine, Houston, Texas, USA
| | - Peter Malfertheiner
- Medizinische Klinik und Poliklinik II, Ludwig Maximilian Universität Klinikum München, Munich, Germany
- Klinik für Gastroenterologie, Hepatologie und Infektiologie, Otto-von-Guericke Universität Magdeburg, Magdeburg, Germany
| | - Mario Dinis-Ribeiro
- Porto Comprehensive Cancer Center & RISE@CI-IPO, University of Porto, Porto, Portugal
- Gastroenterology Department, Portuguese Institute of Oncology of Porto, Porto, Portugal
| | - Hashem El-Serag
- Gastroenterology and Hepatology, Baylor College of Medicine, Houston, Texas, USA
- Houston VA Health Services Research & Development Center of Excellence, Michael E DeBakey Veterans Affairs Medical Center, Houston, Texas, USA
| | - David Y Graham
- Department of Medicine, Michael E DeBakey Veterans Affairs Medical Center, Houston, Texas, USA
| | - Ernst J Kuipers
- Erasmus University Medical Center, Rotterdam, The Netherlands
| | | | - Jin Young Park
- International Agency for Research on Cancer, Lyon, France
| | - Theodore Rokkas
- Gastroenterology, Henry Dunant Hospital Center, Athens, Greece
| | | | - Emad M El-Omar
- Microbiome Research Centre, University of New South Wales, Sydney, New South Wales, Australia
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11
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Fischbach W, Bornschein J, Hoffmann JC, Koletzko S, Link A, Macke L, Malfertheiner P, Schütte K, Selgrad DM, Suerbaum S, Schulz C. Update S2k-Guideline Helicobacter pylori and gastroduodenal ulcer disease of the German Society of Gastroenterology, Digestive and Metabolic Diseases (DGVS). ZEITSCHRIFT FUR GASTROENTEROLOGIE 2024; 62:261-321. [PMID: 38364851 DOI: 10.1055/a-2181-2225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/18/2024]
Affiliation(s)
| | - Jan Bornschein
- Translational Gastroenterology Unit John, John Radcliffe Hospital Oxford University Hospitals, Oxford, United Kingdom
| | - Jörg C Hoffmann
- Medizinische Klinik I, St. Marien- und St. Annastiftskrankenhaus, Ludwigshafen, Deutschland
| | - Sibylle Koletzko
- Kinderklinik und Kinderpoliklinik im Dr. von Haunerschen Kinderspital, LMU-Klinikum Munich, Munich, Deutschland
- Department of Paediatrics, Gastroenterology and Nutrition, School of Medicine Collegium Medicum University of Warmia and Mazury, 10-719 Olsztyn, Poland
| | - Alexander Link
- Klinik für Gastroenterologie, Hepatologie und Infektiologie, Universitätsklinikum Magdeburg, Magdeburg, Deutschland
| | - Lukas Macke
- Medizinische Klinik und Poliklinik II Campus Großhadern, Universitätsklinikum Munich, Munich, Deutschland
- Deutsches Zentrum für Infektionsforschung, Standort Munich, Munich, Deutschland
| | - Peter Malfertheiner
- Klinik für Gastroenterologie, Hepatologie und Infektiologie, Universitätsklinikum Magdeburg, Magdeburg, Deutschland
- Medizinische Klinik und Poliklinik II Campus Großhadern, Universitätsklinikum Munich, Munich, Deutschland
| | - Kerstin Schütte
- Klinik für Allgemeine Innere Medizin und Gastroenterologie, Niels-Stensen-Kliniken Marienhospital Osnabrück, Osnabrück, Deutschland
| | - Dieter-Michael Selgrad
- Medizinische Klinik Gastroenterologie und Onkologie, Klinikum Fürstenfeldbruck, Fürstenfeldbruck, Deutschland
- Klinik für Innere Medizin 1, Universitätsklinikum Regensburg, Regensburg, Deutschland
| | - Sebastian Suerbaum
- Universität Munich, Max von Pettenkofer-Institut für Hygiene und Medizinische Mikrobiologie, Munich, Deutschland
- Nationales Referenzzentrum Helicobacter pylori, Pettenkoferstr. 9a, 80336 Munich, Deutschland
- Deutsches Zentrum für Infektionsforschung, Standort Munich, Munich, Deutschland
| | - Christian Schulz
- Medizinische Klinik und Poliklinik II Campus Großhadern, Universitätsklinikum Munich, Munich, Deutschland
- Deutsches Zentrum für Infektionsforschung, Standort Munich, Munich, Deutschland
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12
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Carlosama YH, Acosta CP, Sierra CH, Rosero CY, Bolaños HJ. The Operative Link on Gastritis Assessment (OLGA) system as a marker for gastric cancer and dysplasia in a Colombian population at risk: A multicenter study. BIOMEDICA : REVISTA DEL INSTITUTO NACIONAL DE SALUD 2023; 43:30-40. [PMID: 38207154 PMCID: PMC10916539 DOI: 10.7705/biomedica.6995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 09/05/2023] [Indexed: 01/13/2024]
Abstract
Introduction. The OLGA system has been proved to be useful in Asia and Europe as a risk marker of gastric cancer. However, its usefulness in high-risk populations in Colombia is still unknown. Objective. To assess potential associations between the OLGA staging system and an increased risk of gastric cancer and dysplasia in a high-risk Colombian population and to establish diagnostic capacity of the scale to assess the risk. Materials and methods. We carried out a multicenter study including patients with cancer and dysplasia (cases) and patients with atrophy and intestinal metaplasia (controls). A total of 506 patients were recruited from three centers in an area with a high risk population in Colombia. The endoscopic and histopathologic studies were evaluated according to the Sydney system and the OLGA staging system proposed by Rugge. The effect of each variable on the disease (gastric cancer and dysplasia) was evaluated using bivariate and multivariate models. Statistical significance was set considering a p value inferior to 0.05. Results. Advanced stages of the OLGA system (III-IV) were associated with a higher risk of dysplasia and gastric cancer (adjusted OR = 8.71; CI95% = 5.09-14.9; p=0.001), sensitivity=54.9%, specificity=89.3% and positive likelihood ratio=5.17. Conclusions. The OLGA staging system is a risk marker for gastric cancer and dysplasia in the studied population. We recommend its implementation to improve the timely diagnosis and follow-up of patients with the highest cancer risk.
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Affiliation(s)
- Yeison Harvey Carlosama
- Grupo de Biología Molecular de la Salud, Universidad Autónoma de Manizales, Manizales, Colombia; Grupo Interdisciplinario de Investigación en Salud y Enfermedad, Universidad Cooperativa de Colombia, Pasto, Colombia.
| | | | - Carlos Hernán Sierra
- Grupo de Investigación en Genética Humana y Aplicada, Universidad del Cauca, Popayán, Colombia.
| | - Carol Yovanna Rosero
- Grupo Interdisciplinario de Investigación en Salud y Enfermedad, Universidad Cooperativa de Colombia, Pasto, Colombia.
| | - Harold Jofre Bolaños
- Grupo de Investigación en Genética Humana y Aplicada, Universidad del Cauca, Popayán, Colombia.
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13
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Latorre G, Silva F, Montero I, Bustamante M, Dukes E, Uribe J, Corsi Sotelo O, Reyes D, Fuentes-López E, Pizarro M, Medel P, Torres J, Roa JC, Pizarro S, Achurra P, Donoso A, Wichmann I, Corvalán AH, Chahuan J, Candia R, Agüero C, Gonzalez R, Vargas JI, Espino A, Camargo MC, Shah SC, Riquelme A. Comparison of OLGA and OLGIM as predictors of gastric cancer in a Latin American population: the ECHOS Study. Gut 2023:gutjnl-2023-331059. [PMID: 38148138 DOI: 10.1136/gutjnl-2023-331059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 12/15/2023] [Indexed: 12/28/2023]
Affiliation(s)
- Gonzalo Latorre
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Felipe Silva
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Isabella Montero
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Miguel Bustamante
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Eitan Dukes
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Javier Uribe
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Oscar Corsi Sotelo
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Diego Reyes
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Eduardo Fuentes-López
- Department of Health Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Margarita Pizarro
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Patricio Medel
- Pharmacology and Toxicology Program, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Javiera Torres
- Department of Pathology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Juan Carlos Roa
- Department of Pathology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Centro para la Prevención y el Control del Cáncer (CECAN), Santiago, Chile
| | - Sebastián Pizarro
- Department of Pathology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Pablo Achurra
- Department of Digestive Surgery, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Andrés Donoso
- Department of Digestive Surgery, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Ignacio Wichmann
- Department of Obstetrics, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Division of Oncology, Department of Medicine, Stanford University School of Medicine, Stanford, California, USA
- Advanced Center for Chronic Diseases (ACCDiS), Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alejandro H Corvalán
- Advanced Center for Chronic Diseases (ACCDiS), Pontificia Universidad Católica de Chile, Santiago, Chile
- Department of Hematology & Oncology, Pontificia Universidad Catolica de Chile, Santiago, Chile
| | - Javier Chahuan
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Roberto Candia
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Carlos Agüero
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Robinson Gonzalez
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Jose Ignacio Vargas
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alberto Espino
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - M Constanza Camargo
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Shailja C Shah
- Gastroenterology Section, Veterans Affairs, San Diego Healthcare System, San Diego, California, USA
- Division of Gastroenterology, University of California San Diego, La Jolla, California, USA
| | - Arnoldo Riquelme
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Centro para la Prevención y el Control del Cáncer (CECAN), Santiago, Chile
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14
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Sugano K, Moss SF, Kuipers EJ. Gastric Intestinal Metaplasia: Real Culprit or Innocent Bystander as a Precancerous Condition for Gastric Cancer? Gastroenterology 2023; 165:1352-1366.e1. [PMID: 37652306 DOI: 10.1053/j.gastro.2023.08.028] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 08/16/2023] [Accepted: 08/22/2023] [Indexed: 09/02/2023]
Abstract
Gastric intestinal metaplasia (GIM), which denotes conversion of gastric mucosa into an intestinal phenotype, can occur in all regions of the stomach, including cardiac, fundic, and pyloric mucosa. Since the earliest description of GIM, its association with gastric cancer of the differentiated (intestinal) type has been a well-recognized concern. Many epidemiologic studies have confirmed GIM to be significantly associated with subsequent gastric cancer development. Helicobacter pylori, the principal etiologic factor for gastric cancer, plays the most important role in predisposing to GIM. Although the role of GIM in the stepwise progression model of gastric carcinogenesis (the so-called "Correa cascade") has come into question recently, we review the scientific evidence that strongly supports this long-standing model and propose a new progression model that builds on the Correa cascade. Eradication of H pylori is the most important method for preventing gastric cancer globally, but the effect of eradication on established GIM, is limited, if any. Endoscopic surveillance for GIM may, therefore, be necessary, especially when there is extensive corpus GIM. Recent advances in image-enhanced endoscopy with integrated artificial intelligence have facilitated the identification of GIM and neoplastic lesions, which will impact preventive strategies in the near future.
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Affiliation(s)
| | - Steven F Moss
- Alpert Medical School of Brown University, Providence, Rhode Island
| | - Ernst J Kuipers
- Erasmus Medical Center, Rotterdam and Minister, Ministry of Health, Welfare, and Sport, Hague, The Netherlands
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15
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Huang Y, Chen J, Guo Y, Ding Z, Liang X, Zhang W, Xue H, Zhao Y, Li X, Lu H. Staging of operative link on gastritis assessment and operative link on gastric intestinal metaplasia systems for risk assessment of early gastric cancer: a case-control study. J Clin Pathol 2023:jcp-2023-209209. [PMID: 37989553 DOI: 10.1136/jcp-2023-209209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 11/09/2023] [Indexed: 11/23/2023]
Abstract
AIMS Operative link on gastritis assessment (OLGA) and operative link on gastric intestinal metaplasia assessment (OLGIM) systems are histological staging systems of gastritis for gastric cancer (GC) risk estimation. Intermediate OLGA/OLGIM stages are of concern in a region with high incidence of GC. This study aimed to validate OLGA and OLGIM staging systems for early GC (EGC) in Chinese population. METHODS This single-centre, case-control study included 196 patients with EGC and 196 age-matched and sex-matched health screening control subjects. OLGA and OLGIM systems, and other clinical parameters were evaluated using logistic regression analysis. RESULTS OLGA and OLGIM stages II/III/IV were more prevalent in patients with EGC than in the control subjects. Multivariable analysis revealed family history of GC, previous Helicobacter pylori (H. pylori) infection, OLGA stages II and III-IV, OLGIM stages II and III-IV as independent risk factors for EGC (ORs, 4.04, 1.87, 2.52, 6.79, 4.11 and 10.78, respectively). Area under the receiver operating characteristic curve on EGC risk estimation was improved for OLGIM compared with OLGA (0.78 vs 0.71, p<0.001). Autoantibody seropositivity of gastric mucosa was not associated with EGC risk stratified by H. pylori status. CONCLUSIONS Surveillance of intermediate-risk patients (OLGA/OLGIM II) should be emphasised in our region. The OLGIM may be preferred over the OLGA for EGC risk estimation.
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Affiliation(s)
- Yu Huang
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jinnan Chen
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yixian Guo
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Zhaohui Ding
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Xiao Liang
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Wei Zhang
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Hanbing Xue
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yunjia Zhao
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Xiaobo Li
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Hong Lu
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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16
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Zhao Q, Jia Q, Chi T. U-Net deep learning model for endoscopic diagnosis of chronic atrophic gastritis and operative link for gastritis assessment staging: a prospective nested case-control study. Therap Adv Gastroenterol 2023; 16:17562848231208669. [PMID: 37928896 PMCID: PMC10624012 DOI: 10.1177/17562848231208669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 10/02/2023] [Indexed: 11/07/2023] Open
Abstract
Background The operative link for the gastritis assessment (OLGA) system can objectively reflect the stratification of gastric cancer risk in patients with chronic atrophic gastritis (CAG). Objectives We developed a real-time video monitoring model for the endoscopic diagnosis of CAG and OLGA staging based on U-Net deep learning (DL). To further validate and improve its performance, we designed a study to evaluate the diagnostic evaluation indices. Design A prospective nested case-control study. Methods Our cohort consisted of 1306 patients from 31 July 2021 to 31 January 2022. According to the pathological results, patients in the cohort were divided into the CAG group and the chronic non-atrophic gastritis group to evaluate the diagnostic evaluation indices. Each atrophy lesion was automatically labeled and the atrophy severity was assessed by the model. Propensity score matching was used to minimize selection bias. Results The diagnostic evaluation indices and the consistency between OLGA staging and pathological diagnosis of the model were superior to those of endoscopists [sensitivity (89.31% versus 67.56%), specificity (90.46% versus 70.23%), positive predictive value (90.35% versus 69.41%), negative predictive value (89.43% versus 68.40%), accuracy rate (89.89% versus 68.89%), Youden index (79.77% versus 37.79%), odd product (79.23 versus 4.91), positive likelihood ratio (9.36 versus 2.27), negative likelihood ratio (0.12 versus 0.46)], areas under the curves (AUC) (95% CI) (0.919 (0.893-0.945) versus 0.749 (0.707-0.792), p < 0.001) and kappa (0.816 versus 0.291)]. Conclusion Our study demonstrated that the DL model can assist endoscopists in real-time diagnosis of CAG during gastroscopy and synchronous identification of high-risk OLGA stage (OLGA stages III and IV) patients. Trial registration ChiCTR2100044458.
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Affiliation(s)
- Quchuan Zhao
- Department of Gastroenterology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Qing Jia
- Department of Anesthesiology, Guang’anmen Hospital China Academy of Chinese Medical Sciences, 5 North Court Street, Beijing 100053, China
| | - Tianyu Chi
- Department of Gastroenterology, Xuanwu Hospital of Capital Medical University, 45 Chang-Chun Street, Beijing 100053, China
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17
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Choe Y, Park JM, Kim JS, Cho YK, Kim BW, Choi MG. Factors influencing occurrence of metachronous gastric cancer after endoscopic resection: a systematic review and meta-analysis. Korean J Intern Med 2023; 38:831-843. [PMID: 37939666 PMCID: PMC10636538 DOI: 10.3904/kjim.2023.184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 06/12/2023] [Accepted: 06/19/2023] [Indexed: 11/10/2023] Open
Abstract
BACKGROUND/AIMS Metachronous gastric cancer (MGC) can occur after endoscopic resection for gastric cancer. Further studies on factors other than Helicobacter pylori infection are needed. This systematic review and meta-analysis aimed to evaluate risk factors for metachronous recurrence of endoscopically resected gastric cancer. METHODS We searched medical literature published by February 2023 and identified patients with MGC after endoscopic resection for gastric cancer. The occurrence of MGC and the presence of intestinal metaplasia (IM), severe atrophic gastritis (AG), and H. pylori infection were quantitatively analyzed. RESULTS We identified 2,755 patients from nine cohort studies who underwent endoscopic resection for gastric cancer by 2018. Those with severe AG or presence of IM had a significantly higher incidence of MGC than those without (RR 2.00, 95% CI 1.35-2.98, I2 = 52% for severe atrophy on antrum; RR 7.08, 95% CI 3.63-13.80, I2 = 0% for antral IM). Absolute risk difference of MGC occurrence was 7.1% in those with severe AG and 9.2% in those with IM. The difference in incidence rate per 1,000 person-years was 17.5 person-years for those with severe AG and 24.7 person-years for those with IM. However, H. pylori eradication did not significantly affect the occurrence of MGC (RR 1.18, 95% CI 0.88-1.59, I2 = 10%). CONCLUSION Gastric cancer patients with severe AG or presence of IM had a 2.0-fold or 7.0-fold higher risk of MGC occurrence after endoscopic resection than those without, respectively. They need more stringent follow-up to monitor MGC occurrences (CRD42023410940).
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Affiliation(s)
- Younghee Choe
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul,
Korea
| | - Jae Myung Park
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul,
Korea
- Catholic Photomedicine Research Institute, College of Medicine, The Catholic University of Korea, Seoul,
Korea
| | - Joon Sung Kim
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul,
Korea
| | - Yu Kyung Cho
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul,
Korea
| | - Byung-Wook Kim
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul,
Korea
| | - Myung-Gyu Choi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul,
Korea
- Catholic Photomedicine Research Institute, College of Medicine, The Catholic University of Korea, Seoul,
Korea
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Ferrari F, Ogata DC, Mello CALD. ROLE OF INCISURA ANGULARIS BIOPSY IN GASTRITIS STAGING AND RISK ASSESSMENT OF GASTRIC CÂNCER. ARQUIVOS DE GASTROENTEROLOGIA 2023; 60:478-489. [PMID: 38018553 DOI: 10.1590/s0004-2803.23042023-120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 09/18/2023] [Indexed: 11/30/2023]
Abstract
BACKGROUND Gastric atrophy (GA) and intestinal metaplasia (IM) are early stages in the development of gastric cancer. Evaluations are based on the Updated Sydney System, which includes a biopsy of the incisura angularis (IA), and the Operative Link on Gastritis Assessment (OLGA) and Operative Link on Gastritis Assessment using Intestinal Metaplasia (OLGIM) gastric cancer risk staging systems. OBJECTIVE To compare the OLGA and OLGIM classifications with and without IA biopsy. In addition, to determine the prevalence of Helicobacter pylori (HP) and pre-neoplastic changes (GA and IM) in different biopsied regions and to identify the exclusive findings of IA. METHODS Observational, prospective, descriptive, unicentric study with 350 patients without a diagnosis of gastric cancer, who underwent upper digestive endoscopy with biopsies at Gastroclínica Itajaí, from March 2020 to May 2022. The histopathological classification of gastritis followed the Updated Sydney System, and the gastric cancer risk assessment followed the OLGA and OLGIM systems. The methodology applied evaluated the scores of the OLGA and OLGIM systems with and without the assessment of the IA biopsy. Statistical analysis was performed using descriptive measures (frequencies, percentages, mean, standard deviation, 95% confidence interval). Ranks were compared using the Kruskal-Wallis or Wilcoxon tests. To analyze the relationship between the frequencies, the bilateral Fisher’s exact test was used. Wilson’s score with continuity correction was applied to the confidence interval. RESULTS The median age was 54.7 years, with 52.57% female and 47.43% male patients. The comparison between the used biopsies protocol (corpus + antrum [CA] vs corpus + antrum + incisura angularis [CAI]) and the OLGA and OLGIM stages showed a significant decrease in both staging systems when the biopsy protocol restricted to the corpus and antrum was applied (OLGA CAI vs CA; P=0.008 / OLGIM CAI vs CA; P=0.002). The prevalence of pre-malignant lesions (GA, IM and dysplasia) of the gastric mucosa was (33.4%, 34% and 1.1%, respectively) in the total sample. The antrum region exhibited significantly higher numbers of alteration (P<0.001), except for HP infection, which was present in 24.8% of the patients. CONCLUSION Incisura angularis biopsy is important because it increased the number of cases diagnosed in more advanced stages of intestinal metaplasia and atrophy. The study had limitations, with the main one being the relatively small sample size, consisting mostly of healthy individuals, although mostly elderly.
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Affiliation(s)
- Fangio Ferrari
- Universidade do Vale do Itajaí, Departamento de Gastroenterologia, Itajaí, SC, Brasil
| | - Daniel Cury Ogata
- Universidade do Vale do Itajaí, Departamento de Anatomopatologia, Itajaí, SC, Brasil
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Latorre G, Vargas JI, Shah SC, Ivanovic-Zuvic D, Achurra P, Fritzsche M, Leung JS, Ramos B, Jensen E, Uribe J, Montero I, Gandara V, Robles C, Bustamante M, Silva F, Dukes E, Corsi O, Martínez F, Binder V, Candia R, González R, Espino A, Agüero C, Sharp A, Torres J, Roa JC, Pizarro M, Corvalan AH, Rabkin CS, Camargo MC, Riquelme A. Implementation of the updated Sydney system biopsy protocol improves the diagnostic yield of gastric preneoplastic conditions: Results from a real-world study. GASTROENTEROLOGIA Y HEPATOLOGIA 2023:S0210-5705(23)00391-6. [PMID: 37598725 PMCID: PMC10875143 DOI: 10.1016/j.gastrohep.2023.08.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 06/30/2023] [Accepted: 08/14/2023] [Indexed: 08/22/2023]
Abstract
BACKGROUND The updated Sydney system biopsy protocol (USSBP) standardizes the sampling of gastric biopsies for the detection of preneoplastic conditions (e.g., gastric intestinal metaplasia [GIM]), but the real-world diagnostic yield is not well-described. AIM To determine whether regular application of USSBP is associated with higher detection of chronic atrophic gastritis (CAG), GIM and autoimmune gastritis (AIG). METHODS We performed a real-world retrospective study at an academic urban tertiary hospital in Chile. We manually reviewed medical records from consecutive patients undergoing esophagogastroduodenoscopy (EGD) from January to December 2017. Seven endoscopists who performed EGDs were categorized into two groups (USSBP 'regular' and USSBP 'infrequent') based on USSBP adherence, using minimum 20% adherence as the prespecified threshold. Multivariable logistic regression models were used to estimate the odds ratios (aOR) and 95% confidence intervals (CI) for the association between endoscopist groups and the likelihood of diagnosing CAG, GIM or AIG. RESULTS 1206 patients were included in the study (mean age: 58.5; 65.3% female). The USSBP regular group demonstrated a higher likelihood of detecting CAG (20% vs. 5.3%; aOR 4.03, 95%CI: 2.69-6.03), GIM (12.2% vs. 3.4%; aOR 3.91, 95%CI: 2.39-6.42) and AIG (2.9% vs. 0.8%; aOR 6.52, 95%CI: 1.87-22.74) compared to infrequent group. Detection of advanced-stage CAG (Operative Link for Gastritis Assessment stage III/IV) was significantly higher in the USSBP regular vs. infrequent group (aOR 5.84, 95%CI: 2.23-15.31). CONCLUSIONS Routine adherence to USSBP increases the detection rates of preneoplastic conditions, including CAG, GIM and AIG. Standardized implementation of USSBP should be considered in high gastric cancer risk populations.
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Affiliation(s)
- Gonzalo Latorre
- Department of Gastroenterology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - José Ignacio Vargas
- Department of Gastroenterology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Shailja C Shah
- Gastroenterology Section, Veterans Affairs, San Diego Healthcare System, San Diego, CA, USA; Division of Gastroenterology, University of California, San Diego, San Diego, CA, USA
| | - Danisa Ivanovic-Zuvic
- Department of Internal Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Pablo Achurra
- Department of Digestive Surgery, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Martín Fritzsche
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Jai-Sen Leung
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Bernardita Ramos
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Elisa Jensen
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Javier Uribe
- Department of Gastroenterology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Isabella Montero
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Vicente Gandara
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Camila Robles
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Miguel Bustamante
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Felipe Silva
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Eitan Dukes
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Oscar Corsi
- Department of Gastroenterology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Francisca Martínez
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Victoria Binder
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Roberto Candia
- Department of Gastroenterology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Robinson González
- Department of Gastroenterology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alberto Espino
- Department of Gastroenterology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Carlos Agüero
- Department of Gastroenterology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Allan Sharp
- Department of Digestive Surgery, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Javiera Torres
- Department of Pathology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Juan Carlos Roa
- Department of Pathology, Pontificia Universidad Católica de Chile, Santiago, Chile; Center for Cancer Prevention and Control, CECAN, Chile
| | - Margarita Pizarro
- Department of Gastroenterology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alejandro H Corvalan
- Department of Hematology and Oncology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile; Advanced Center for Chronic Diseases (ACCDIS), Santiago, Chile
| | - Charles S Rabkin
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - M Constanza Camargo
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Arnoldo Riquelme
- Department of Gastroenterology, Pontificia Universidad Católica de Chile, Santiago, Chile; Center for Cancer Prevention and Control, CECAN, Chile.
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Livzan MA, Mozgovoi SI, Gaus OV, Shimanskaya AG, Kononov AV. Histopathological Evaluation of Gastric Mucosal Atrophy for Predicting Gastric Cancer Risk: Problems and Solutions. Diagnostics (Basel) 2023; 13:2478. [PMID: 37568841 PMCID: PMC10417051 DOI: 10.3390/diagnostics13152478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 07/19/2023] [Accepted: 07/24/2023] [Indexed: 08/13/2023] Open
Abstract
Patients suffering from chronic gastritis and developing gastric mucosa atrophy are at increased risk of the development of gastric cancer. The diagnosis of chronic atrophic gastritis (CAG) is a complex procedure involving a detailed history taking, a thorough physical examination and the use of laboratory and instrumental diagnostic methods among which the endoscopy of the upper digestive tract is the cornerstone because it allows the assessment of the topography of gastritis and identification of erosions and areas of intestinal metaplasia with the use of NBI endoscopy. However, the diagnosis of CAG requires morphological examination of the gastric mucosa. So, in addition to assessing macroscopic changes in the gastric mucosa, it is necessary to take biopsy specimens in accordance with the protocols for their morphological and immunohistochemical examination. In the absence of specific diagnostic stigmas of CAG, close cooperation between a clinician, endoscopist and pathologist is necessary. The article presents systematized data on the histopathological assessment of the gastric mucosa atrophy to predict the risk of gastric cancer.
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Affiliation(s)
- Maria A. Livzan
- Department of Internal Medicine and Gastroenterology, Omsk Sate Medical University, 644099 Omsk, Russia;
| | - Sergei I. Mozgovoi
- Department of Pathological Anatomy, Omsk Sate Medical University, 644099 Omsk, Russia
| | - Olga V. Gaus
- Department of Internal Medicine and Gastroenterology, Omsk Sate Medical University, 644099 Omsk, Russia;
| | - Anna G. Shimanskaya
- Department of Pathological Anatomy, Omsk Sate Medical University, 644099 Omsk, Russia
| | - Alexei V. Kononov
- Department of Pathological Anatomy, Omsk Sate Medical University, 644099 Omsk, Russia
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21
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Aktualisierte S2k-Leitlinie Helicobacter
pylori und gastroduodenale Ulkuskrankheit der Deutschen Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS) – Juli 2022 – AWMF-Registernummer: 021–001. ZEITSCHRIFT FUR GASTROENTEROLOGIE 2023; 61:544-606. [PMID: 37146633 DOI: 10.1055/a-1975-0414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
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22
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Bogdanova I, Polaka I, Aleksandraviča I, Dzērve Z, Anarkulova L, Novika V, Tolmanis I, Leja M. Role of pre-existing incomplete intestinal metaplasia in gastric adenocarcinoma: A retrospective case series analysis. World J Clin Cases 2023; 11:2708-2715. [PMID: 37214563 PMCID: PMC10198109 DOI: 10.12998/wjcc.v11.i12.2708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/19/2023] [Accepted: 03/29/2023] [Indexed: 04/25/2023] Open
Abstract
BACKGROUND Risk stratification for patients with gastric precancerous lesions for endoscopic surveillance remains controversial.
AIM To analysis of patients having developed gastric adenocarcinoma during the period of follow-up.
METHODS We conducted a retrospective study on patients having undergone upper endoscopy prior to the development of gastric adenocarcinoma. The presence and stage of precancerous lesions as well as subtype of intestinal metaplasia at the baseline endoscopy got evaluated. Literature mini-review was performed.
RESULTS Out of 1681 subjects in the Biobank, gastric adenocarcinoma was detected in five cases in whom previous endoscopy data with biopsies either from the corpus or antral part were available. All of the patients had incomplete intestinal metaplasia during the baseline endoscopy; all three subjects in whom intestinal metaplasia subtyping was performed according to Filipe et al, had Type III intestinal metaplasia. Two of the five cases had low Operative Link on Gastritis Assessment (OLGA) and Operative Link on Gastritis Intestinal Metaplasia Assessment (OLGIM) stages (I-II) at the baseline.
CONCLUSION The presence of incomplete intestinal metaplasia, in particular, that of Type III is a better predictor for gastric adenocarcinoma development than OLGA/OLGIM staging system. Subtyping of intestinal metaplasia have an important role in the risk stratification for surveillance decisions.
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Affiliation(s)
- Inga Bogdanova
- Department of Pathology, Academic Histology Laboratory, Riga LV1073, Latvia
- Institute of Clinical and Preventive Medicine, University of Latvia, Riga LV1079, Latvia
| | - Inese Polaka
- Institute of Clinical and Preventive Medicine, University of Latvia, Riga LV1079, Latvia
| | - Ilona Aleksandraviča
- Institute of Clinical and Preventive Medicine, University of Latvia, Riga LV1079, Latvia
- Department of Research, Riga East University Hospital, Riga LV1079, Latvia
| | - Zane Dzērve
- Institute of Clinical and Preventive Medicine, University of Latvia, Riga LV1079, Latvia
- Department of Endoscopy, Digestive Diseases Centre GASTRO, Riga LV1079, Latvia
| | - Linda Anarkulova
- Institute of Clinical and Preventive Medicine, University of Latvia, Riga LV1079, Latvia
| | - Vita Novika
- Department of Endoscopy, Digestive Diseases Centre GASTRO, Riga LV1079, Latvia
| | - Ivars Tolmanis
- Department of Endoscopy, Digestive Diseases Centre GASTRO, Riga LV1079, Latvia
| | - Marcis Leja
- Institute of Clinical and Preventive Medicine, University of Latvia, Riga LV1079, Latvia
- Department of Research, Riga East University Hospital, Riga LV1079, Latvia
- Department of Gastroenterology, Digestive Diseases Centre GASTRO, Riga LV1079, Latvia
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23
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Kang SJ, Kim JG, Moon HS, Kook MC, Lee JY, Bang CS, Tae CH, Gong EJ, Nam SY, Kim HJ. Clinical Practice Guideline for Gastritis in Korea. J Korean Med Sci 2023; 38:e115. [PMID: 37012690 PMCID: PMC10070048 DOI: 10.3346/jkms.2023.38.e115] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 03/09/2023] [Indexed: 04/05/2023] Open
Abstract
Gastritis is a disease characterized by inflammation of the gastric mucosa. It is very common and has various classification systems such as the updated Sydney system. As there is a lot of evidence that Helicobacter pylori infection is associated with the development of gastric cancer and that gastric cancer can be prevented by eradication, H. pylori gastritis has been emphasized recently. The incidence rate of gastric cancer in Korea is the highest in the world, and due to the spread of screening endoscopy, atrophic gastritis and intestinal metaplasia are commonly diagnosed in the general population. However, there have been no clinical guidelines developed in Korea for these lesions. Therefore, this clinical guideline has been developed by the Korean College of Helicobacter and Upper Gastrointestinal Research for important topics that are frequently encountered in clinical situations related to gastritis. Evidence-based guidelines were developed through systematic review and de novo processes, and eight recommendations were made for eight key questions. This guideline needs to be periodically revised according to the needs of clinical practice or as important evidence about this issue is published in the future.
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Affiliation(s)
- Seung Joo Kang
- Deparment of Internal Medicine, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea
| | - Jae Gyu Kim
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea.
| | - Hee Seok Moon
- Department of Internal Medicine, Chungnam National University College of Medicine, Daejeon, Korea
| | | | - Jong Yeul Lee
- Center for Gastric Cancer, National Cancer Center, Goyang, Korea
| | - Chang Seok Bang
- Department of Internal Medicine, Hallym University College of Medicine, Chuncheon, Korea
| | - Chung Hyun Tae
- Department of Internal Medicine, Ewha Womans University College of Medicine, Seoul, Korea
| | - Eun Jeong Gong
- Department of Internal Medicine, Hallym University College of Medicine, Chuncheon, Korea
| | - Su Youn Nam
- Department of Internal Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
- Division of Gastroenterology, Department of Internal Medicine, Kyungpook National University Chilgok Hospital, Daegu, Korea
| | - Hyun Jung Kim
- Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea
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Pachuashvili NV, Nagornaya DP, Tertychnyy AS. Comparative morphological characteristics of helicobacter pylori and autoimmune gastritis. BULLETIN OF THE MEDICAL INSTITUTE "REAVIZ" (REHABILITATION, DOCTOR AND HEALTH) 2023. [DOI: 10.20340/vmi-rvz.2023.1.morph.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
Objective: to conduct a comparative morphological analysis of helicobacter pylori (H. pylori) and autoimmune gastritis and to determine the significant morphological criteria for differential diagnosis.Materials and methods. 30 cases of chronic atrophic helicobacter gastritis and 30 cases of chronic atrophic autoimmune gastritis were retrospectively selected for the study. In all cases of helicobacter gastritis, the presence of H. pylori was confirmed by morphological diagnostic methods using Giemsa staining or additionally using immunohistochemistry. All cases of autoimmune gastritis were additionally confirmed by clinical and laboratory diagnostic methods, some patients had a long history of follow-up and biopsy material was taken from them repeatedly. A prerequisite was taking at least 5 biopsies according to the Sydney Protocol.Results. The main differential diagnostic feature in our study was the detection of H. pylori, as well as the localization of the lesion in the stomach body characteristic of autoimmune gastritis and in the antrum in helicobacter gastritis. The study groups differed by gender (the predominance of females in the group of autoimmune gastritis), the prevalence and activity of inflammation (all cases of helicobacter gastritis had signs of inflammation activity). When studying the content of neuroendo-crine cells in cases of helicobacter gastritis in the stomach body, simple hyperplasia of neuroendocrine cells was noted, in cases of au-toimmune gastritis, the appearance of chains and nodules was noted, which corresponded to linear and nodular hyperplasia of neuro-endocrine cells.Conclusion. The morphological criteria obtained in the study make it possible to make a differential diagnosis between helicobacter and autoimmune gastritis. This is extremely important because of the differences in treatment approaches and dynamic monitoring tactics in these variants of chronic gastritis.
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Zullo A, Germanà B, Galliani E, Iori A, de Pretis G, Manfredi G, Buscarini E, Ciuffi M, Ignomirelli O, Farinati F, Savarino E, Pallini P, Milan L, Conigliaro R, Grande G, Cannizzaro R, Maiero S, Pisani A, Marangi S, Manta R, Morelli O, Peralta S, La Mantia A, Buonocore MR, Khalaf K, Hassan C, Monica F. Real-time determination of gastric juice pH with EndoFaster® for atrophic gastritis assessment. Dig Liver Dis 2022; 54:1646-1648. [PMID: 35794064 DOI: 10.1016/j.dld.2022.06.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/08/2022] [Accepted: 06/09/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND In patients with atrophic gastritis involving gastric body mucosa the pH value of gastric juice is distinctly increased, so that pH assessment would allow predict this precancerous lesion. We tested whether EndoFaster® - a device allowing real-time pH measure and H. pylori diagnosis - may optimize the need of taking gastric biopsies. METHODS In this prospective, multicentre study, the accuracy of EndoFaster® for ruling out gastric atrophy involving corporal mucosa was assessed. Real-time pH and ammonium determination was performed by aspirating 3-6 ml gastric juice during endoscopy. Histology performed on 5 standard gastric biopsies was used as gold standard. RESULTS A total of 1008 consecutive patients were observed in 12 centres. At histology, gastric body mucosa atrophy/metaplasia was detected in 65 (6.4%) cases, and a pH value >4.5 in the gastric juice was observed in 150 patients. The values of EndoFaster® performance in predicting the presence of atrophic gastritis were as follow: 51% sensitivity, 84% specificity, 18% PPV, 96% NPV, and 82% accuracy. The NPV value was not distinctly affected by neither ongoing proton pump inhibitor therapy nor H. pylori infection. By considering also data of ammonium concentrations, the values of EndoFaster® in detecting extensive atrophy on gastric mucosa were 74% sensitivity, 84% specificity, 24% PPV, 98% NPV, and 83% accuracy. CONCLUSION The very high NPV of EndoFaster® might allow to safely rule out presence of atrophic gastritis, reducing the need of taking gastric biopsies in unselected patients managed in clinical practice.
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Affiliation(s)
- Angelo Zullo
- Gastroenterology Unit, Gastroenterologia ed Endoscopia Digestiva, 'Nuovo Regina Margherita' Hospital, Via Emilio Morosini, 30, Rome 00153 , Italy.
| | - Bastianello Germanà
- Gastroenterology and Digestive Endoscopy Unit, 'San Martino' Hospital, Belluno, Italy
| | - Ermenegildo Galliani
- Gastroenterology and Digestive Endoscopy Unit, 'San Martino' Hospital, Belluno, Italy
| | - Andrea Iori
- Gastroenterology and Digestive Endoscopy Unit, Santa Chiara' Hospital, Trento, Italy
| | - Giovanni de Pretis
- Gastroenterology and Digestive Endoscopy Unit, Santa Chiara' Hospital, Trento, Italy
| | - Guido Manfredi
- Gastroenterology and Digestive Endoscopy Unit, 'Maggiore' Hospital, Crema, Italy
| | - Elisabetta Buscarini
- Gastroenterology and Digestive Endoscopy Unit, 'Maggiore' Hospital, Crema, Italy
| | - Mario Ciuffi
- Endoscopy Unit, IRCCS CROB, Rionero in Vulture, Italy
| | | | - Fabio Farinati
- Gastroenterology Unit, University of Padua, Padua, Italy
| | | | - Paolo Pallini
- Gastroenterology Unit, 'San Bortolo' Hospital, Vicenza, Italy
| | - Luisa Milan
- Gastroenterology Unit, 'San Bortolo' Hospital, Vicenza, Italy
| | - Rita Conigliaro
- Gastroenterology Unit, 'Ospedale Civile Baggiovara', Modena, Italy
| | - Giuseppe Grande
- Gastroenterology Unit, 'Ospedale Civile Baggiovara', Modena, Italy
| | | | - Stefania Maiero
- Experimental Oncological Gastroenterology Unit, CRO, Aviano, Italy
| | - Antonio Pisani
- Gastroenterology Unit, 'Saverio De Bellis' Research Hospital, Castellana Grotte, Italy
| | - Stefania Marangi
- Gastroenterology Unit, 'Saverio De Bellis' Research Hospital, Castellana Grotte, Italy
| | - Raffaele Manta
- Gastroenterology Unit, 'Santa Maria della Misericordia' Hospital, Perugia, Italy
| | - Olivia Morelli
- Gastroenterology Unit, 'Santa Maria della Misericordia' Hospital, Perugia, Italy
| | - Sergio Peralta
- Gastroenterology Unit, 'AOU Policlinico', Palermo, Italy
| | | | | | - Kareem Khalaf
- Division of Gastroenterology and Digestive Endoscopy, Humanitas Research Hospital - IRCCS, Milan, Italy
| | - Cesare Hassan
- Division of Gastroenterology and Digestive Endoscopy, Humanitas Research Hospital - IRCCS, Milan, Italy
| | - Fabio Monica
- Gastroenterology and Digestive Endoscopy, 'Cattinara' Academic Hospital, Trieste, Italy
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Messmann H, Bisschops R, Antonelli G, Libânio D, Sinonquel P, Abdelrahim M, Ahmad OF, Areia M, Bergman JJGHM, Bhandari P, Boskoski I, Dekker E, Domagk D, Ebigbo A, Eelbode T, Eliakim R, Häfner M, Haidry RJ, Jover R, Kaminski MF, Kuvaev R, Mori Y, Palazzo M, Repici A, Rondonotti E, Rutter MD, Saito Y, Sharma P, Spada C, Spadaccini M, Veitch A, Gralnek IM, Hassan C, Dinis-Ribeiro M. Expected value of artificial intelligence in gastrointestinal endoscopy: European Society of Gastrointestinal Endoscopy (ESGE) Position Statement. Endoscopy 2022; 54:1211-1231. [PMID: 36270318 DOI: 10.1055/a-1950-5694] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
This ESGE Position Statement defines the expected value of artificial intelligence (AI) for the diagnosis and management of gastrointestinal neoplasia within the framework of the performance measures already defined by ESGE. This is based on the clinical relevance of the expected task and the preliminary evidence regarding artificial intelligence in artificial or clinical settings. MAIN RECOMMENDATIONS:: (1) For acceptance of AI in assessment of completeness of upper GI endoscopy, the adequate level of mucosal inspection with AI should be comparable to that assessed by experienced endoscopists. (2) For acceptance of AI in assessment of completeness of upper GI endoscopy, automated recognition and photodocumentation of relevant anatomical landmarks should be obtained in ≥90% of the procedures. (3) For acceptance of AI in the detection of Barrett's high grade intraepithelial neoplasia or cancer, the AI-assisted detection rate for suspicious lesions for targeted biopsies should be comparable to that of experienced endoscopists with or without advanced imaging techniques. (4) For acceptance of AI in the management of Barrett's neoplasia, AI-assisted selection of lesions amenable to endoscopic resection should be comparable to that of experienced endoscopists. (5) For acceptance of AI in the diagnosis of gastric precancerous conditions, AI-assisted diagnosis of atrophy and intestinal metaplasia should be comparable to that provided by the established biopsy protocol, including the estimation of extent, and consequent allocation to the correct endoscopic surveillance interval. (6) For acceptance of artificial intelligence for automated lesion detection in small-bowel capsule endoscopy (SBCE), the performance of AI-assisted reading should be comparable to that of experienced endoscopists for lesion detection, without increasing but possibly reducing the reading time of the operator. (7) For acceptance of AI in the detection of colorectal polyps, the AI-assisted adenoma detection rate should be comparable to that of experienced endoscopists. (8) For acceptance of AI optical diagnosis (computer-aided diagnosis [CADx]) of diminutive polyps (≤5 mm), AI-assisted characterization should match performance standards for implementing resect-and-discard and diagnose-and-leave strategies. (9) For acceptance of AI in the management of polyps ≥ 6 mm, AI-assisted characterization should be comparable to that of experienced endoscopists in selecting lesions amenable to endoscopic resection.
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Affiliation(s)
- Helmut Messmann
- III Medizinische Klinik, Universitatsklinikum Augsburg, Augsburg, Germany
| | - Raf Bisschops
- Department of Gastroenterology and Hepatology, Catholic University of Leuven (KUL), TARGID, University Hospital Leuven, Leuven, Belgium
| | - Giulio Antonelli
- Gastroenterology and Digestive Endoscopy Unit, Ospedale dei Castelli Hospital, Ariccia, Rome, Italy
- Department of Anatomical, Histological, Forensic Medicine and Orthopedics Sciences, Sapienza University of Rome, Italy
| | - Diogo Libânio
- Department of Gastroenterology, Porto Comprehensive Cancer Center, and RISE@CI-IPOP (Health Research Network), Porto, Portugal
- MEDCIDS, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Pieter Sinonquel
- Department of Gastroenterology and Hepatology, Catholic University of Leuven (KUL), TARGID, University Hospital Leuven, Leuven, Belgium
| | - Mohamed Abdelrahim
- Endoscopy Department, Portsmouth Hospitals University NHS Trust, Portsmouth, UK
| | - Omer F Ahmad
- Wellcome/EPSRC Centre for Interventional and Surgical Sciences, University College London Hospital, London, UK
- Division of Surgery and Interventional Sciences, University College London Hospital, London, UK
- Gastrointestinal Services, University College London Hospital, London, UK
| | - Miguel Areia
- Gastroenterology Department, Portuguese Oncology Institute of Coimbra, Coimbra, Portugal
| | | | - Pradeep Bhandari
- Endoscopy Department, Portsmouth Hospitals University NHS Trust, Portsmouth, UK
| | - Ivo Boskoski
- Digestive Endoscopy Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Evelien Dekker
- Department of Gastroenterology and Hepatology, Amsterdam UMC, Amsterdam, The Netherlands
| | - Dirk Domagk
- Department of Medicine I, Josephs-Hospital Warendorf, Academic Teaching Hospital, University of Muenster, Warendorf, Germany
| | - Alanna Ebigbo
- III Medizinische Klinik, Universitatsklinikum Augsburg, Augsburg, Germany
| | - Tom Eelbode
- Department of Electrical Engineering (ESAT/PSI), Medical Imaging Research Center, KU Leuven, Leuven, Belgium
| | - Rami Eliakim
- Department of Gastroenterology, Sheba Medical Center Tel Hashomer & Sackler School of Medicine, Tel-Aviv University, Ramat Gan, Israel
| | - Michael Häfner
- 2nd Medical Department, Barmherzige Schwestern Krankenhaus, Vienna, Austria
| | - Rehan J Haidry
- Wellcome/EPSRC Centre for Interventional and Surgical Sciences, University College London Hospital, London, UK
- Division of Surgery and Interventional Sciences, University College London Hospital, London, UK
| | - Rodrigo Jover
- Servicio de Gastroenterología, Hospital General Universitario Dr. Balmis, Instituto de Investigación Biomédica de Alicante ISABIAL, Departamento de Medicina Clínica, Universidad Miguel Hernández, Alicante, Spain
| | - Michal F Kaminski
- Clinical Effectiveness Research Group, University of Oslo, Oslo, Norway
- Department of Gastroenterology, Hepatology and Clinical Oncology, Centre of Postgraduate Medical Education, Warsaw, Poland
- Department of Oncological Gastroenterology and Department of Cancer Prevention, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
| | - Roman Kuvaev
- Endoscopy Department, Yaroslavl Regional Cancer Hospital, Yaroslavl, Russian Federation
- Department of Gastroenterology, Faculty of Additional Professional Education, N.A. Pirogov Russian National Research Medical University, Moscow, Russian Federation
| | - Yuichi Mori
- Clinical Effectiveness Research Group, University of Oslo, Oslo, Norway
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Yokohama, Japan
| | | | - Alessandro Repici
- Department of Biomedical Sciences, Humanitas University, Rozzano, Milan, Italy
- IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
| | | | - Matthew D Rutter
- North Tees and Hartlepool NHS Foundation Trust, Stockton-on-Tees, UK
- Population Health Sciences Institute, Newcastle University, Newcastle, UK
| | - Yutaka Saito
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Prateek Sharma
- Gastroenterology and Hepatology Division, University of Kansas School of Medicine, Kansas, USA
- Kansas City VA Medical Center, Kansas City, USA
| | - Cristiano Spada
- Digestive Endoscopy Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
- Digestive Endoscopy, Fondazione Poliambulanza Istituto Ospedaliero, Brescia, Italy
| | - Marco Spadaccini
- Department of Biomedical Sciences, Humanitas University, Rozzano, Milan, Italy
- IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Andrew Veitch
- Department of Gastroenterology, Royal Wolverhampton Hospitals NHS Trust, Wolverhampton, UK
| | - Ian M Gralnek
- Ellen and Pinchas Mamber Institute of Gastroenterology and Hepatology, Emek Medical Center, Afula, Israel
- Rappaport Faculty of Medicine, Technion Israel Institute of Technology, Haifa, Israel
| | - Cesare Hassan
- Department of Biomedical Sciences, Humanitas University, Rozzano, Milan, Italy
- IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Mario Dinis-Ribeiro
- Department of Gastroenterology, Porto Comprehensive Cancer Center, and RISE@CI-IPOP (Health Research Network), Porto, Portugal
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Wu M, Feng S, Qian M, Wang S, Zhang K. Helicobacter pylori Infection Combined with OLGA and OLGIM Staging Systems for Risk Assessment of Gastric Cancer: A Retrospective Study in Eastern China. Risk Manag Healthc Policy 2022; 15:2243-2255. [DOI: 10.2147/rmhp.s391386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 11/17/2022] [Indexed: 12/03/2022] Open
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Cheng HC, Yang YJ, Yang HB, Tsai YC, Chang WL, Wu CT, Kuo HY, Yu YT, Yang EH, Cheng WC, Chen WY, Sheu BS. Evolution of the Correa's cascade steps: A long-term endoscopic surveillance among non-ulcer dyspepsia and gastric ulcer after H. pylori eradication. J Formos Med Assoc 2022; 122:400-410. [PMID: 36463082 DOI: 10.1016/j.jfma.2022.11.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 07/17/2022] [Accepted: 11/14/2022] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND This study is aimed toward investigating the evolution of each Correa's step after Helicobacter pylori eradication in a long-term follow-up and exploring the factors correlated with a high-risk of gastric cancer. METHODS A total of 1824 H. pylori-infected subjects were enrolled to receive screening endoscopy. Among them, 491 received surveillance endoscopy. The patients were divided into Correa's steps I to VI, from normal to gastric cancer. A group-based trajectory model was used to classify patients as persistent high-risk status or not. RESULTS The prevalence rates of positive corpus-predominant gastritis index (CGI) were 20%-40% in all age groups and Correa's steps IV-V increased >35% after 50 years based on screening endoscopy. Successful eradication of H. pylori regressed CGI after the 1st year-and-thereafter (P < 0.05) and decreased Correa's step progression (Relative risk 0.66 [95% CI 0.49-0.89], P = 0.01); however, it did not regress OLGA and OLGIM. Not only in steps IV-V, but also in step III, the patients had a risk of developing gastric cancer (11.13-76.41 and 4.61 per 1000 person-years). Age (Hazard ratio 1.012 [1.003-1.020], P = 0.01), OLGA stages ≥ I (2.127 [1.558-2.903], P < 0.001), and OLGIM stages ≥ I (1.409 [1.119-1.774], P = 0.004) were correlated independently with a persistent high-risk status. CONCLUSION The patients in Correa's steps III-V, but not I-II, were at risk of gastric cancer after H. pylori eradication. Age, OLGA stages ≥ I, and OLGIM stages ≥ I were independent factors correlated to a persistent high-risk of gastric cancer. The data may be useful when scheduling surveillance endoscopy for subjects in each Correa's step (NCT04527055).
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Affiliation(s)
- Hsiu-Chi Cheng
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Internal Medicine, Tainan Hospital, Ministry of Health and Welfare, Tainan, Taiwan; Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
| | - Yao-Jong Yang
- Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Hsiao-Bai Yang
- Department of Pathology, and Public Health, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Pathology, Ton-Yen General Hospital, Hsinchu, Taiwan
| | - Yu-Ching Tsai
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Internal Medicine, Tainan Hospital, Ministry of Health and Welfare, Tainan, Taiwan
| | - Wei-Lun Chang
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chung-Tai Wu
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Hsin-Yu Kuo
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yu-Ting Yu
- Department of Pathology, and Public Health, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Er-Hsiang Yang
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Wei-Chun Cheng
- Department of Internal Medicine, Tainan Hospital, Ministry of Health and Welfare, Tainan, Taiwan; Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Wei-Ying Chen
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Bor-Shyang Sheu
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Zheng J, Zhang G, Gao C, Xu G, Lin W, Jiang C, Li D, Wang W. Linked color imaging-based endoscopic grading of gastric intestinal metaplasia and histological gastritis staging in the assessment of gastric cancer risk. Scand J Gastroenterol 2022; 57:1374-1380. [PMID: 35701150 DOI: 10.1080/00365521.2022.2085061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE To evaluate the value and compare the effectiveness of linked color imaging-based endoscopic grading of gastric intestinal metaplasia (LCI-EGGIM) and operative link on gastric intestinal metaplasia (OLGIM) in risk stratification of early gastric cancer (EGC). METHODS Eighty-one patients with EGC who underwent endoscopic submucosal dissection were included. The general data and EGC-related risk factors of all participants were recorded. LCI-EGGIM and OLGIM were used for both groups. RESULTS The number of patients with LCI-EGGIM score ≥ 5 was significantly higher in the EGC group than in the control group (58.02% vs. 12.35%, p < .001). Furthermore, the number of patients with OLGIM stage III/IV in the EGC group was significantly higher than that in the control group (56.79% vs. 7.41%, p < .001). Multivariate analysis showed that OLGIM stage III/IV (adjusted odds ratio [AOR]: 29.74, 95% CI: 7.49-117.94) and LCI-EGGIM score ≥ 5 (AOR: 12.33, 95% CI: 3.71-41.02) were significantly associated with EGC. There was no significant difference in the area under the receiver operating characteristic curve between LCI-EGGIM and OLGIM in predicting the risk of EGC (0.74 vs. 0.77, p = .1116). CONCLUSION OLGIM and LCI-EGGIM can be used and have the same value for predicting the risk stratification of EGC in patients with gastric intestinal metaplasia.
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Affiliation(s)
- Jin Zheng
- Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, Fujian Medical University, Fuzhou, China.,Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, People's Liberation Army, Fuzhou, China
| | - Guanpo Zhang
- Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, Fujian Medical University, Fuzhou, China.,Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, People's Liberation Army, Fuzhou, China
| | - Chao Gao
- Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, Fujian Medical University, Fuzhou, China.,Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, People's Liberation Army, Fuzhou, China
| | - Guilin Xu
- Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, Fujian Medical University, Fuzhou, China.,Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, People's Liberation Army, Fuzhou, China
| | - Wulian Lin
- Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, Fujian Medical University, Fuzhou, China.,Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, People's Liberation Army, Fuzhou, China
| | - Chuanshen Jiang
- Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, Fujian Medical University, Fuzhou, China.,Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, People's Liberation Army, Fuzhou, China
| | - Dazhou Li
- Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, Fujian Medical University, Fuzhou, China.,Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, People's Liberation Army, Fuzhou, China
| | - Wen Wang
- Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, Fujian Medical University, Fuzhou, China.,Department of Gastroenterology, 900th Hospital of Joint Logistics Support Force, People's Liberation Army, Fuzhou, China
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30
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Zeng Y, Jin RU. Molecular pathogenesis, targeted therapies, and future perspectives for gastric cancer. Semin Cancer Biol 2022; 86:566-582. [PMID: 34933124 DOI: 10.1016/j.semcancer.2021.12.004] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 11/29/2021] [Accepted: 12/11/2021] [Indexed: 01/27/2023]
Abstract
Gastric cancer is a major source of global cancer mortality with limited treatment options and poor patient survival. As our molecular understanding of gastric cancer improves, we are now beginning to recognize that these cancers are a heterogeneous group of diseases with incredibly unique pathogeneses and active oncogenic pathways. It is this molecular diversity and oftentimes lack of common oncogenic driver mutations that bestow the poor treatment responses that oncologists often face when treating gastric cancer. In this review, we will examine the treatments for gastric cancer including up-to-date molecularly targeted therapies and immunotherapies. We will then review the molecular subtypes of gastric cancer to highlight the diversity seen in this disease. We will then shift our discussion to basic science and gastric cancer mouse models as tools to study gastric cancer molecular heterogeneity. Furthermore, we will elaborate on a molecular process termed paligenosis and the cyclical hit model as key events during gastric cancer initiation that impart nondividing mature differentiated cells the ability to re-enter the cell cycle and accumulate disparate genomic mutations during years of chronic inflammation and injury. As our basic science understanding of gastric cancer advances, so too must our translational and clinical efforts. We will end with a discussion regarding single-cell molecular analyses and cancer organoid technologies as future translational avenues to advance our understanding of gastric cancer heterogeneity and to design precision-based gastric cancer treatments. Elucidation of interpatient and intratumor heterogeneity is the only way to advance future cancer prevention, diagnoses and treatment.
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Affiliation(s)
- Yongji Zeng
- Section of Gastroenterology, Department of Medicine, Baylor College of Medicine, Houston, USA
| | - Ramon U Jin
- Section of Hematology/Oncology, Department of Medicine, Baylor College of Medicine, Houston, USA.
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Lanas A, García-Rayado G. Editorial: Insights in gastroenterology: 2021. Front Med (Lausanne) 2022; 9:1008157. [PMID: 36160135 PMCID: PMC9493470 DOI: 10.3389/fmed.2022.1008157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 08/22/2022] [Indexed: 12/24/2022] Open
Affiliation(s)
- Angel Lanas
- Department of Medicine, University of Zaragoza, Zaragoza, Spain
- Biomedical Research Networking Center in Hepatic and Digestive Diseases (CIBERehd), Madrid, Spain
- Aragón Health Research Institute (IIS Aragón), Zaragoza, Spain
- Service of Digestive Diseases, University Clinic Hospital Lozano Blesa, Zaragoza, Spain
| | - Guillermo García-Rayado
- Aragón Health Research Institute (IIS Aragón), Zaragoza, Spain
- Service of Digestive Diseases, University Clinic Hospital Lozano Blesa, Zaragoza, Spain
- *Correspondence: Guillermo García-Rayado
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Malfertheiner P, Megraud F, Rokkas T, Gisbert JP, Liou JM, Schulz C, Gasbarrini A, Hunt RH, Leja M, O'Morain C, Rugge M, Suerbaum S, Tilg H, Sugano K, El-Omar EM. Management of Helicobacter pylori infection: the Maastricht VI/Florence consensus report. Gut 2022; 71:gutjnl-2022-327745. [PMID: 35944925 DOI: 10.1136/gutjnl-2022-327745] [Citation(s) in RCA: 356] [Impact Index Per Article: 178.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 06/21/2022] [Indexed: 01/06/2023]
Abstract
Helicobacter pyloriInfection is formally recognised as an infectious disease, an entity that is now included in the International Classification of Diseases 11th Revision. This in principle leads to the recommendation that all infected patients should receive treatment. In the context of the wide clinical spectrum associated with Helicobacter pylori gastritis, specific issues persist and require regular updates for optimised management.The identification of distinct clinical scenarios, proper testing and adoption of effective strategies for prevention of gastric cancer and other complications are addressed. H. pylori treatment is challenged by the continuously rising antibiotic resistance and demands for susceptibility testing with consideration of novel molecular technologies and careful selection of first line and rescue therapies. The role of H. pylori and antibiotic therapies and their impact on the gut microbiota are also considered.Progress made in the management of H. pylori infection is covered in the present sixth edition of the Maastricht/Florence 2021 Consensus Report, key aspects related to the clinical role of H. pylori infection were re-evaluated and updated. Forty-one experts from 29 countries representing a global community, examined the new data related to H. pylori infection in five working groups: (1) indications/associations, (2) diagnosis, (3) treatment, (4) prevention/gastric cancer and (5) H. pylori and the gut microbiota. The results of the individual working groups were presented for a final consensus voting that included all participants. Recommendations are provided on the basis of the best available evidence and relevance to the management of H. pylori infection in various clinical fields.
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Affiliation(s)
- Peter Malfertheiner
- Medical Department 2, LMU, Munchen, Germany
- Department of Radiology, LMU, Munchen, Germany
| | - Francis Megraud
- INSERM U853 UMR BaRITOn, University of Bordeaux, Bordeaux, France
| | - Theodore Rokkas
- Gastroenterology, Henry Dunant Hospital Center, Athens, Greece
- Medical School, European University, Nicosia, Cyprus
| | - Javier P Gisbert
- Gastroenterology, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IP), Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
| | - Jyh-Ming Liou
- Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Christian Schulz
- Medical Department 2, LMU, Munchen, Germany
- Partner Site Munich, DZIF, Braunschweig, Germany
| | - Antonio Gasbarrini
- Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, Università Cattolica del Sacro Cuore Facoltà di Medicina e Chirurgia, Roma, Italy
| | - Richard H Hunt
- Medicine, McMaster University, Hamilton, Ontario, Canada
- Farncombe Family Digestive Health Research Institute, Hamilton, Ontario, Canada
| | - Marcis Leja
- Faculty of Medicine, University of Latvia, Riga, Latvia
- Institute of Clinical and Preventive Medicine, University of Latvia, Riga, Latvia
| | - Colm O'Morain
- Faculty of Health Sciences, Trinity College Dublin, Dublin, Ireland
| | - Massimo Rugge
- Department of Medicine (DIMED), Surgical Pathology & Cytopathology Unit, University of Padova, Padova, Italy
- Veneto Tumor Registry (RTV), Padova, Italy
| | - Sebastian Suerbaum
- Partner Site Munich, DZIF, Braunschweig, Germany
- Max von Pettenkofer Institute, LMU, Munchen, Germany
| | - Herbert Tilg
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & Metabolism, Medizinische Universitat Innsbruck, Innsbruck, Austria
| | - Kentaro Sugano
- Department of Medicine, Jichi Medical School, Tochigi, Japan
| | - Emad M El-Omar
- Department of Medicine, University of New South Wales, Sydney, New South Wales, Australia
- School of Medicine and Dentistry, University of Aberdeen, Aberdeen, UK
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Sun L, Jin X, Huang L, Zhao J, Jin H, Chen M, Zhang C, Lu B. Risk of progression in patients with chronic atrophic gastritis: A retrospective study. Front Oncol 2022; 12:942091. [PMID: 35978825 PMCID: PMC9377336 DOI: 10.3389/fonc.2022.942091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 07/11/2022] [Indexed: 12/24/2022] Open
Abstract
BackgroundChronic atrophic gastritis (CAG) can progress to gastric cancer (GC) thus requiring endoscopic surveillance. Here, we analyze various aspects of CAG progression, time, and mucosal background, to guide reasonable surveillance.MethodsCAG patients with three or more endoscopies from 2010–2021 were included. All cases were analyzed for rate and time of progression, and cases with operative link on gastritis assessment (OLGA) staging, operative link on gastric intestinal metaplasia assessment (OLGIM) staging, and Kimura-Takemoto classification were further analyzed. Additional investigation of guideline-defined low-risk patients by reviewing endoscopy in the short-term (1–2 years) after baseline identified several patients as high-risk.ResultsNinety-seven (10.4%) of the 929 CAG patients progressed to low-grade intraepithelial neoplasia (LGIN), high-grade intraepithelial neoplasia (HGIN), or GC, during the observation period of 36–129 months (median 53, IQR=24), including 75 (8.1%) cases of LGIN, eight (0.9%) of HGIN, and 14 (1.5%) of GC. Among 170 patients with OLGA/OLGIM at baseline, two (2/2, 100%) GC cases occurred in patients with OLGA/OLGIM III and IV. Of the 236 patients with Kimura-Takemoto classification at baseline, 5/7 (71.4%) cases of GC occurred in patients with C3–O3. Ten, 11, and 25 patients classified as low-risk on the European, British, and Chinese Guidelines, underwent additional endoscopy within 1–2 years, resulting in three (30.0%), four (36.4%), and eight (32.0%) patients being classified as high-risk on these guidelines, respectively.ConclusionA minority of CAG patients can progress to GC. OLGA/OLGIM III and IV staging are closely associated with progression. Disease-associated risk may be underestimated in one-third of patients classified as low-risk by initial endoscopy.
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Affiliation(s)
- Lu Sun
- Department of Gastroenterology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiaoliang Jin
- Department of Gastroenterology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Liang Huang
- Department of Endoscopy Center, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Jing Zhao
- Department of Gastroenterology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Haifeng Jin
- Department of Gastroenterology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Mingtao Chen
- Department of Pathology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Chunli Zhang
- Department of Pathology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Bin Lu
- Department of Gastroenterology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
- Key Laboratory of Digestive Pathophysiology of Zhejiang Province, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
- *Correspondence: Bin Lu,
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Xu MQ, Sun K, Cao C, Yin HH, Wang XJ, Yin QH, Wang LJ, Tao L, Wang K, Li F, Zhang WJ. Age-related twin-peak prevalence profiles of H. pylori infection, gastritis, GIN and gastric cancer: Analyses of 70,534 patients with gastroscopic biopsies. PLoS One 2022; 17:e0265885. [PMID: 35862441 PMCID: PMC9302749 DOI: 10.1371/journal.pone.0265885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 03/10/2022] [Indexed: 12/24/2022] Open
Abstract
Objectives H. pylori (Hp) infection has been indicated in the pathogenesis of gastric diseases including gastric cancer (GC). This study aimed at exploring the relationships between Hp infection and gastric diseases including GC in a large dataset of routine patients undergoing gastroscopy. Methods From November 2007 to December 2017, 70,534 first-time visiting patients aged 18–94 years with gastroscopic biopsies were histologically diagnosed and analyzed. Patients’ data were entered twice in an Excel spreadsheet database and analyzed using the SPSS (version 22.0) software package and statistical significance was defined as P<0.05 for all analyses. Results The first interesting observation was age-related twin-peak prevalence profiles (TPPs) for Hp infection, gastritis, and advanced diseases with different time spans (TS) between the first and second occurring peaks. Hp infection and gastritis had TPPs occurring at earlier ages than TPPs of gastric introepithelial neoplasia (GIN) and GC. More patients were clustered at the second occurring TPPs. The time spans (TS) from the first occurring peak of Hp infection to the first occurring peaks of other gastric diseases varied dramatically with 0–5 years for gastritis; 5–15 years for GINs, and 5–20 years for GC, respectively. The number of males with Hp infection and gastric diseases, excluding non-atrophic gastritis (NAG), was more than that of females (P<0.001). Conclusions We have first observed age-related twin-peak prevalence profiles for Hp infection, gastritis, GIN, and GC, respectively, among a large population of patients undergoing gastroscopy. The second prevalence peak of GC is at ages of 70–74 years indicating that many GC patients would be missed during screening because the cut-off age for screening is 69 years old in China.
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Affiliation(s)
- Meng Qing Xu
- Department of Pathology, The First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, Xinjiang, China
- The Key Laboratory for Xinjiang Endemic and Ethnic Diseases, Shihezi University School of Medicine, Shihezi, Xinjiang, China
- Department of Gastroenterology, Jinling Hospital, Nanjing, Jiangsu, China
| | - Ke Sun
- Department of Pathology, The First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, Xinjiang, China
- The Key Laboratory for Xinjiang Endemic and Ethnic Diseases, Shihezi University School of Medicine, Shihezi, Xinjiang, China
| | - Chong Cao
- Department of Pathology, The First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, Xinjiang, China
- The Key Laboratory for Xinjiang Endemic and Ethnic Diseases, Shihezi University School of Medicine, Shihezi, Xinjiang, China
| | - Hui Hui Yin
- Department of Pathology, The First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, Xinjiang, China
- The Key Laboratory for Xinjiang Endemic and Ethnic Diseases, Shihezi University School of Medicine, Shihezi, Xinjiang, China
| | - Xiao Jun Wang
- Department of Pathology, The First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, Xinjiang, China
- The Key Laboratory for Xinjiang Endemic and Ethnic Diseases, Shihezi University School of Medicine, Shihezi, Xinjiang, China
| | - Qi Hang Yin
- Department of Pathology, The First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, Xinjiang, China
- The Key Laboratory for Xinjiang Endemic and Ethnic Diseases, Shihezi University School of Medicine, Shihezi, Xinjiang, China
| | - Li Jie Wang
- Department of Pathology, The First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, Xinjiang, China
- The Key Laboratory for Xinjiang Endemic and Ethnic Diseases, Shihezi University School of Medicine, Shihezi, Xinjiang, China
| | - Lin Tao
- Department of Pathology, The First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, Xinjiang, China
- The Key Laboratory for Xinjiang Endemic and Ethnic Diseases, Shihezi University School of Medicine, Shihezi, Xinjiang, China
| | - Kui Wang
- Department of Preventive Medicine, Shihezi University School of Medicine, Shihezi, Xinjiang, China
| | - Feng Li
- Department of Pathology, The First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, Xinjiang, China
- Department of Pathology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Wen Jie Zhang
- Department of Pathology, The First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, Xinjiang, China
- The Key Laboratory for Xinjiang Endemic and Ethnic Diseases, Shihezi University School of Medicine, Shihezi, Xinjiang, China
- * E-mail: ,
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Rugge M, Genta RM. Gastric cancer prevention: Merging future hopes, with present clinical practice. J Surg Oncol 2022; 126:838-839. [PMID: 35855522 DOI: 10.1002/jso.26997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 06/14/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Massimo Rugge
- Department of Medicine (DIMED), Surgical Pathology and Cytopathology Unit, University of Padova, Padova, Italy.,Veneto Tumor Registry (RTV), Veneto Regional Authority, Padova, Italy.,Department of Medicine, Michael E. De Bakey VA Medical Center, Baylor College of Medicine, Houston, Texas, USA
| | - Robert M Genta
- Department of Medicine, Michael E. De Bakey VA Medical Center, Baylor College of Medicine, Houston, Texas, USA.,Department of Pathology, Baylor College of Medicine, Houston, Texas, USA
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Namasivayam V, Koh CJ, Tsao S, Lee J, Ling KL, Khor C, Lim T, Li JW, Oo AM, Yip BCH, Hussain I, Chua TS, Toh BC, Ong HS, Wang LM, So JBY, Teh M, Yeoh KG, Ang TL. Academy of Medicine, Singapore clinical guideline on endoscopic surveillance and management of gastric premalignant lesions. ANNALS OF THE ACADEMY OF MEDICINE, SINGAPORE 2022; 51:417-435. [PMID: 35906941 DOI: 10.47102/annals-acadmedsg.2021433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Gastric cancer (GC) has a good prognosis, if detected at an early stage. The intestinal subtype of GC follows a stepwise progression to carcinoma, which is treatable with early detection and intervention using high-quality endoscopy. Premalignant lesions and gastric epithelial polyps are commonly encountered in clinical practice. Surveillance of patients with premalignant gastric lesions may aid in early diagnosis of GC, and thus improve chances of survival. An expert professional workgroup was formed to summarise the current evidence and provide recommendations on the management of patients with gastric premalignant lesions in Singapore. Twenty-five recommendations were made to address screening and surveillance, strategies for detection and management of gastric premalignant lesions, management of gastric epithelial polyps, and pathological reporting of gastric premalignant lesions.
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37
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Rugge M. Big Data on Gastric Dysplasia Support Gastric Cancer Prevention. Clin Gastroenterol Hepatol 2022; 20:1226-1228. [PMID: 35123082 DOI: 10.1016/j.cgh.2022.01.038] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/19/2022] [Accepted: 01/20/2022] [Indexed: 02/07/2023]
Affiliation(s)
- Massimo Rugge
- Department of Medicine DIMED, Surgical Pathology and Cytopathology Unit, University of Padova, Padova, Italy; Azienda Zero Padova, Veneto Tumor Cancer Registry, Padova, Italy; Baylor College of Medicine, Houston, Texas
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Lee JWJ, Zhu F, Srivastava S, Tsao SKK, Khor C, Ho KY, Fock KM, Lim WC, Ang TL, Chow WC, So JBY, Koh CJ, Chua SJ, Wong ASY, Rao J, Lim LG, Ling KL, Chia CK, Ooi CJ, Rajnakova A, Yap WM, Salto-Tellez M, Ho B, Soong R, Chia KS, Teo YY, Teh M, Yeoh KG. Severity of gastric intestinal metaplasia predicts the risk of gastric cancer: a prospective multicentre cohort study (GCEP). Gut 2022; 71:854-863. [PMID: 33975867 PMCID: PMC8995828 DOI: 10.1136/gutjnl-2021-324057] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 04/15/2021] [Accepted: 04/30/2021] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To investigate the incidence of gastric cancer (GC) attributed to gastric intestinal metaplasia (IM), and validate the Operative Link on Gastric Intestinal Metaplasia (OLGIM) for targeted endoscopic surveillance in regions with low-intermediate incidence of GC. METHODS A prospective, longitudinal and multicentre study was carried out in Singapore. The study participants comprised 2980 patients undergoing screening gastroscopy with standardised gastric mucosal sampling, from January 2004 and December 2010, with scheduled surveillance endoscopies at year 3 and 5. Participants were also matched against the National Registry of Diseases Office for missed diagnoses of early gastric neoplasia (EGN). RESULTS There were 21 participants diagnosed with EGN. IM was a significant risk factor for EGN (adjusted-HR 5.36; 95% CI 1.51 to 19.0; p<0.01). The age-adjusted EGN incidence rates for patients with and without IM were 133.9 and 12.5 per 100 000 person-years. Participants with OLGIM stages III-IV were at greatest risk (adjusted-HR 20.7; 95% CI 5.04 to 85.6; p<0.01). More than half of the EGNs (n=4/7) attributed to baseline OLGIM III-IV developed within 2 years (range: 12.7-44.8 months). Serum trefoil factor 3 distinguishes (Area Under the Receiver Operating Characteristics 0.749) patients with OLGIM III-IV if they are negative for H. pylori. Participants with OLGIM II were also at significant risk of EGN (adjusted-HR 7.34; 95% CI 1.60 to 33.7; p=0.02). A significant smoking history further increases the risk of EGN among patients with OLGIM stages II-IV. CONCLUSIONS We suggest a risk-stratified approach and recommend that high-risk patients (OLGIM III-IV) have endoscopic surveillance in 2 years, intermediate-risk patients (OLGIM II) in 5 years.
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Affiliation(s)
- Jonathan W J Lee
- Division of Gastroenterology and Hepatology, National University Hospital, Singapore,Department of Medicine, National University of Singapore, Singapore,Singapore Gastric Cancer Consortium, Singapore
| | - Feng Zhu
- Department of Medicine, National University of Singapore, Singapore,Singapore Gastric Cancer Consortium, Singapore
| | | | - Stephen KK Tsao
- Department of Gastroenterology & Hepatology, Tan Tock Seng Hospital, Singapore
| | - Christopher Khor
- Department of Gastroenterology & Hepatology, Singapore General Hospital, Singapore
| | - Khek Yu Ho
- Division of Gastroenterology and Hepatology, National University Hospital, Singapore,Department of Medicine, National University of Singapore, Singapore
| | - Kwong Ming Fock
- Department of Gastroenterology & Hepatology, Changi General Hospital, Singapore
| | - Wee Chian Lim
- Department of Gastroenterology & Hepatology, Tan Tock Seng Hospital, Singapore
| | - Tiing Leong Ang
- Department of Gastroenterology & Hepatology, Changi General Hospital, Singapore
| | - Wan Cheng Chow
- Department of Gastroenterology & Hepatology, Singapore General Hospital, Singapore
| | - Jimmy Bok Yan So
- Singapore Gastric Cancer Consortium, Singapore,Department of Surgery, National University of Singapore, Singapore
| | - Calvin J Koh
- Division of Gastroenterology and Hepatology, National University Hospital, Singapore,Department of Medicine, National University of Singapore, Singapore,Singapore Gastric Cancer Consortium, Singapore
| | - Shijia Joy Chua
- Department of Medicine, National University of Singapore, Singapore
| | | | - Jaideepraj Rao
- Department of Surgery, Tan Tock Seng Hospital, Singapore
| | | | | | | | | | - Andrea Rajnakova
- Andrea's Digestive, Colon, Liver and Gallbladder Clinic Pte Ltd, Singapore
| | - Wai Ming Yap
- Department of Pathology, Tan Tock Seng Hospital, Singapore
| | - Manuel Salto-Tellez
- Precision Medicine Centre of Excellence, Queen's University Belfast, Belfast, UK,Integrated Pathology Unit, Institute of Cancer Research, London, UK
| | - Bow Ho
- Department of Microbiology, National University of Singapore, Singapore
| | - Richie Soong
- Cancer Science Institute of Singapore, National University of Singapore, Singapore,Department of Pathology, National University of Singapore, Singapore,Pascific Laboratories, Singapore
| | - Kee Seng Chia
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore
| | - Yik Ying Teo
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore
| | - Ming Teh
- Singapore Gastric Cancer Consortium, Singapore,Department of Pathology, National University of Singapore, Singapore
| | - Khay-Guan Yeoh
- Division of Gastroenterology and Hepatology, National University Hospital, Singapore .,Department of Medicine, National University of Singapore, Singapore.,Singapore Gastric Cancer Consortium, Singapore
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Esposito G, Dottori L, Pivetta G, Ligato I, Dilaghi E, Lahner E. Pernicious Anemia: The Hematological Presentation of a Multifaceted Disorder Caused by Cobalamin Deficiency. Nutrients 2022; 14:nu14081672. [PMID: 35458234 PMCID: PMC9030741 DOI: 10.3390/nu14081672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/08/2022] [Accepted: 04/14/2022] [Indexed: 02/04/2023] Open
Abstract
Pernicious anemia is still a neglected disorder in many medical contexts and is underdiagnosed in many patients. Pernicious anemia is linked to but different from autoimmune gastritis. Pernicious anemia occurs in a later stage of autoimmune atrophic gastritis when gastric intrinsic factor deficiency and consequent vitamin B12 deficiency may occur. The multifaceted nature of pernicious anemia is related to the important role of cobalamin, which, when deficient, may lead to several dysfunctions, and thus, the proteiform clinical presentations of pernicious anemia. Indeed, pernicious anemia may lead to potentially serious long-term complications related to micronutrient deficiencies and their consequences and the development of gastric cancer and type 1 gastric neuroendocrine tumors. When not recognized in a timely manner or when pernicious anemia is diagnosed with delay, these complications may be potentially life-threatening and sometimes irreversible. The current review aimed to focus on epidemiology, pathogenesis, and clinical presentations of pernicious anemia in an attempt to look beyond borders of medical specialties. It aimed to focus on micronutrient deficiencies besides the well-known vitamin B12 deficiency, the diagnostic approach for pernicious anemia, its long-term complications and optimal clinical management, and endoscopic surveillance of patients with pernicious anemia.
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Zhang T, Zhang B, Tian W, Ma X, Wang F, Wang P, Wei Y, Liu L, Tang X. A Bibliometric Analysis of Atrophic Gastritis From 2011 to 2021. Front Med (Lausanne) 2022; 9:843395. [PMID: 35252276 PMCID: PMC8891522 DOI: 10.3389/fmed.2022.843395] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Accepted: 01/18/2022] [Indexed: 01/14/2023] Open
Abstract
Background Atrophic gastritis (AG), which is characterized by a decreased number or disappearance of the glandular structures and secretory dysfunction, is linked to chronically inflamed stomach. It has been estimated that the annual incidence of gastric cancer (GC) is 0.1% for patients with AG. Early eradication of Helicobacter pylori (H. pylori) can reduce the risk of GC development. Additionally, the follow-up and management of AG are necessary to prevent GC. Exploring novel methods of the automatized analysis of data for apprehending knowledge in any medical field is encouraged, especially when a body of literature suggests the necessity of doing so. Accordingly, herein, we aim to systematically review the current foci and status of AG research using bibliometric analysis. Methods Articles and reviews related to AG published from 2011 to 2021 in the Web of Science Core Collection were retrieved. Microsoft Office Excel 2019 and GraphPad Prism were used to show the annual number of publications and scientific productivity of authors through time. CiteSpace and VOSviewer were used to generate network maps about the collaborations among countries, institutions, and authors as well as reveal hotspots of AG research. The relationships among the author's keywords, cited references, and the top authors were summarized by a Sankey plot (three-fields plot). Results A total of 1,432 publications were included in the present study. China remained the most productive country, with the highest number of publications (377, 26.32%). Vanderbilt University contributed the most publications of any single institution (56, 3.91%). James R Goldenring was the most active and influential scholar, with the highest number of publications and greatest centrality. The most prolific journal in this field was World Journal of Gastroenterology (62, 4.32%). Gastroenterology (997, 69.62%) was the most co-cited journal. Exploring the origin of gastric metaplasia, especially spasmolytic polypeptide-expressing metaplasia (SPEM) was a major topic in AG research. Conclusions This bibliometric study provides a comprehensive analysis of the scientific progress of AG over the past decade. Metaplasia is a hot topic and could be a promising area of research in the coming years.
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Affiliation(s)
- Tai Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Traditional Chinese Medical Sciences, Beijing, China
| | - Beihua Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Traditional Chinese Medical Sciences, Beijing, China
| | - Wende Tian
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiangxue Ma
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Traditional Chinese Medical Sciences, Beijing, China
| | - Fengyun Wang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Traditional Chinese Medical Sciences, Beijing, China
| | - Ping Wang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Traditional Chinese Medical Sciences, Beijing, China
| | - Yuchen Wei
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Traditional Chinese Medical Sciences, Beijing, China
| | - Lin Liu
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Traditional Chinese Medical Sciences, Beijing, China
| | - Xudong Tang
- China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Xudong Tang
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Salazar BE, Pérez-Cala T, Gomez-Villegas SI, Cardona-Zapata L, Pazos-Bastidas S, Cardona-Estepa A, Vélez-Gómez DE, Justinico-Castro JA, Bernal-Cobo A, Dávila-Giraldo HA, Benítez-Guerra JC, Valencia-Cárdenas JT, Ospina EDJ, Castaño-Llano R, Bravo MM, Cataño-Correa JC, Zabaleta J, Trespalacios-Rangel AA, Cock-Botero AM, Roldán-Pérez MI, Martínez A. The OLGA-OLGIM staging and the interobserver agreement for gastritis and preneoplastic lesion screening: a cross-sectional study. Virchows Arch 2022; 480:759-769. [PMID: 35089403 DOI: 10.1007/s00428-022-03286-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 01/04/2022] [Accepted: 01/21/2022] [Indexed: 12/20/2022]
Abstract
Stomach cancer (SC) incidence and mortality are relevant public health issues worldwide. In Colombia, screening for preneoplastic lesions (PNL) and the presence of H. pylori is not routinely performed. Therefore, the aim of this study was to evaluate OLGA-OLGIM staging and the interobserver agreement in gastritis and preneoplastic lesions in patients with gastroduodenal symptoms from Colombia. A cross-sectional study was conducted in 272 patients with gastroduodenal symptoms. Gastric biopsies were taken following the Updated Sydney System with the OLGA-OLGIM classification, and the results were evaluated by two pathologists. Chronic gastritis and PNL were reported in 76% and 24% of the patients, respectively. Furthermore, 25% of the patients with PNL displayed gastric atrophy (GA) and 75% intestinal metaplasia (IM). Agreement in the histopathological reading for IM was good, whereas for OLGA was variable, and for the H. pylori quantity was poor. OLGA-OLGIM stages 0-II were the most frequent (96%), while stage III (4%) and SC (4%) were the least frequent. Age and coffee consumption were associated with a higher prevalence of PNL. This work determined that 4% of the population is at high risk of developing SC and would benefit from follow-up studies. Reinforcement of training programs to improve the agreement in histopathology readings is required.
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Affiliation(s)
- Beatriz E Salazar
- Bacteria & Cancer Group, Department of Microbiology, School of Medicine, University of Antioquia, Medellín, Colombia.
| | - Tania Pérez-Cala
- Bacteria & Cancer Group, Department of Microbiology, School of Medicine, University of Antioquia, Medellín, Colombia
| | - Sara Isabel Gomez-Villegas
- Bacteria & Cancer Group, Department of Microbiology, School of Medicine, University of Antioquia, Medellín, Colombia
| | - Laura Cardona-Zapata
- Bacteria & Cancer Group, Department of Microbiology, School of Medicine, University of Antioquia, Medellín, Colombia
| | - Sebastián Pazos-Bastidas
- Bacteria & Cancer Group, Department of Microbiology, School of Medicine, University of Antioquia, Medellín, Colombia
| | - Alejandra Cardona-Estepa
- Bacteria & Cancer Group, Department of Microbiology, School of Medicine, University of Antioquia, Medellín, Colombia
| | - Diego Enrique Vélez-Gómez
- Bacteria & Cancer Group, Department of Microbiology, School of Medicine, University of Antioquia, Medellín, Colombia
| | | | - Andrés Bernal-Cobo
- Department of Pathology, School of Medicine, University of Antioquia, Medellín, Colombia
| | | | - Juan Carlos Benítez-Guerra
- Bacteria & Cancer Group, Department of Microbiology, School of Medicine, University of Antioquia, Medellín, Colombia.,Promedan IPS, Medellín, Colombia
| | | | | | | | | | | | - Jovanny Zabaleta
- Department of Integrative Oncology and Department of Pediatrics, Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | | | | | - Miguel Ignacio Roldán-Pérez
- Bacteria & Cancer Group, Department of Microbiology, School of Medicine, University of Antioquia, Medellín, Colombia.,Department of Pathology, School of Medicine, University of Antioquia, Medellín, Colombia
| | - Alonso Martínez
- Bacteria & Cancer Group, Department of Microbiology, School of Medicine, University of Antioquia, Medellín, Colombia
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Ivashkin VT, Maev IV, Lapina TL, Fedorov ED, Sheptulin AA, Trukhmanov AS, Kononov AV, Abdulkhakov RA, Alexeeva OP, Alekseenko SA, Andreev DN, Baranskaya EK, Dekhnich NN, Klyaritskaya IL, Kozlov RS, Kogan EA, Korolev MP, Korochanskaya NV, Kurilovich SA, Livsan MA, Osipenko MF, Pavlov PV, Pirogov SS, Sarsenbaeva AS, Simanenkov VI, Tertychny AS, Tkachev AV, Uspensky YP, Khlynov IB, Tsukanov VV. Clinical Recommendations of Russian Gastroenterological Association and RENDO Endoscopic Society on Diagnosis and Treatment of Gastritis and Duodenitis. RUSSIAN JOURNAL OF GASTROENTEROLOGY, HEPATOLOGY, COLOPROCTOLOGY 2021; 31:70-99. [DOI: 10.22416/1382-4376-2021-31-4-70-99] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/28/2024]
Abstract
Aim.The clinical guidelines are intended to supplement specialty decision-making for improved aid quality in patients with gastritis and duodenitis though acknowledging the latest clinical evidence and principles of evidencebased medicine.Key points.Gastritis is an inflammatory disease of stomach mucosa, with a separate definition of acute and chronic gastritis. Chronic gastritis is a cohort of chronic diseases uniting a typical morphology of persistent inflammatory infiltration, impaired cellular renewal with emergent intestinal metaplasia, atrophy and epithelial dysplasia of gastric mucosa. Oesophagogastroduodenoscopy (OGDS) or high-resolution OGDS with magnified or non-magnified virtual chromoendoscopy, including targeted biopsy for atrophy and intestinal metaplasia grading and neoplasia detection, are recommended to verify gastritis and duodenitis, precancer states and/or gastric mucosal changes. All chronic gastritis patients positive for H. рylori should undergo eradication therapy as aetiological and subsidiary for gastric cancer prevention. Chronic gastritis patients with symptoms of dyspepsia (epigastric pain, burning and congestion, early satiety), also combined with functional dyspepsia, are recommended proton pump inhibitors, prokinetics, rebamipide and bismuth tripotassium dicitrate in symptomatic treatment. With focal restricted intestinal metaplasia, follow-up is not required in most cases, mainly when advanced atrophic gastritis is ruled out in high-quality endoscopy with biopsy. However, a familial history of gastric cancer, incomplete intestinal metaplasia and persistent H. pylori infection render endoscopy monitoring with chromoendoscopy and targeted biopsy desirable once in three years. Patients with advanced atrophic gastritis should have high-quality endoscopy every 3 years, and once in 1–2 years if complicated with a familial history of gastric cancer.Conclusion.The recommendations condense current knowledge on the aetiology and pathogenesis of gastritis and duodenitis, as well as laboratory and instrumental diagnostic techniques, main approaches to aetiological H. pylori eradication and treatment of dyspeptic states.
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Affiliation(s)
- V. T. Ivashkin
- Sechenov First Moscow State Medical University (Sechenov University)
| | - I. V. Maev
- Yevdokimov Moscow State University of Medicine and Dentistry
| | - T. L. Lapina
- Sechenov First Moscow State Medical University (Sechenov University)
| | - E. D. Fedorov
- Pirogov Russian National Research Medical University
| | - A. A. Sheptulin
- Sechenov First Moscow State Medical University (Sechenov University)
| | - A. S. Trukhmanov
- Sechenov First Moscow State Medical University (Sechenov University)
| | | | | | | | | | - D. N. Andreev
- Yevdokimov Moscow State University of Medicine and Dentistry
| | - E. K. Baranskaya
- Sechenov First Moscow State Medical University (Sechenov University)
| | | | | | | | - E. A. Kogan
- Sechenov First Moscow State Medical University (Sechenov University)
| | | | | | - S. A. Kurilovich
- Research Institute of Therapy and Preventive Medicine — branch of the Federal Research Center Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences
| | | | - M. F. Osipenko
- Research Institute of Therapy and Preventive Medicine — branch of the Federal Research Center Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences
| | - P. V. Pavlov
- Sechenov First Moscow State Medical University (Sechenov University)
| | - S. S. Pirogov
- Hertsen Moscow Oncology Research Center — Branch of the National Medical Research Radiology Center
| | | | | | - A. S. Tertychny
- Sechenov First Moscow State Medical University (Sechenov University)
| | | | | | | | - V. V. Tsukanov
- Research Institute for Medical Problems in the North — Division of Krasnoyarsk Scientific Centre of Siberian Branch of the RAS
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Gastritis: The clinico-pathological spectrum. Dig Liver Dis 2021; 53:1237-1246. [PMID: 33785282 DOI: 10.1016/j.dld.2021.03.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/28/2021] [Accepted: 03/05/2021] [Indexed: 02/06/2023]
Abstract
The inflammatory spectrum of gastric diseases includes different clinico-pathological entities, the etiology of which was recently established in the international Kyoto classification. A diagnosis of gastritis combines the information resulting form the gross examination (endoscopy) and histology (microscopy). It is important to consider the anatomical/functional heterogeneity of the gastric mucosa when obtaining representative mucosal biopsy samples. Gastritis includes self-limiting and non-self-limiting (long-standing) inflammatory diseases, and the latter are epidemiologically, biologically and clinically linked to the onset of gastric cancer (i.e. "inflammation-associated cancer"). Different biological models of inflammation-associated gastric oncogenesis have been proposed. Helicobacter pylori (H. pylori) gastritis is the most prevalent worldwide, and H. pylori is classified as a first-class carcinogen. On these bases, eradicating H. pylori is mandatory for the primary prevention of gastric cancer. Non-self-limiting gastritis may also be triggered by the immune-mediated destruction of gastric parietal cells, resulting in autoimmune gastritis. In both H. pylori-related and autoimmune gastritis, the non-self-limiting inflammation results in atrophy of the gastric mucosa, which is the main factor promoting gastric cancer. Long-term follow-up studies consistently demonstrate the prognostic impact of the histological staging of gastritis in gastric cancer secondary prevention strategies.
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Alikhani M, Saberi S, Esmaeili M, Michel V, Tashakoripour M, Abdirad A, Aghakhani A, Eybpoosh S, Vosough M, Mohagheghi MA, Eshagh Hosseini M, Touati E, Mohammadi M. Mitochondrial DNA Copy Number Variations and Serum Pepsinogen Levels for Risk Assessment in Gastric Cancer. IRANIAN BIOMEDICAL JOURNAL 2021; 25:323-33. [PMID: 34425651 PMCID: PMC8487685 DOI: 10.52547/ibj.25.5.323] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 03/13/2021] [Indexed: 01/14/2023]
Abstract
Background Variations in mitochondrial DNA copy number (mtDNA-CN) of peripheral blood leukocytes (PBLs), as a potential biomarker for gastric cancer (GC) screening has currently been subject to controversy. Herein, we have assessed its efficiency in GC screening, in parallel and in combination with serum pepsinogen (sPG) I/II ratio, as an established indicator of gastric atrophy. Methods The study population included GC (n = 53) and non-GC (n = 207) dyspeptic patients. The non-GC group was histologically categorized into CG (n = 104) and NM (n = 103) subgroups. The MtDNA-CN of PBLs was measured by quantitative real-time PCR. The sPG I and II levels and anti-H. pylori serum IgG were measured by ELISA. Results The mtDNA-CN was found significantly higher in GC vs. non-GC (OR = 3.0; 95% CI = 1.4, 6.4) subjects. Conversely, GC patients had significantly lower sPG I/II ratio than the non-GC (OR = 3.2; CI = 1.4, 7.2) subjects. The combination of these two biomarkers yielded a dramatic amplification of the odds of GC risk in double-positive (high mtDNA-CN-low sPGI/II) subjects, in reference to double-negatives (low mtDNA-CN-high sPGI/II), when assessed against non-GC (OR = 27.1; CI = 5.0, 147.3), CG (OR = 13.1; CI = 2.4, 72.6), or NM (OR = 49.5; CI = 7.9, 311.6) groups. Conclusion The combination of these two biomarkers, namely mtDNA-CN in PBLs and serum PG I/II ratio, drastically enhanced the efficiency of GC risk assessment, which calls for further validations.
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Affiliation(s)
- Mehdi Alikhani
- HPGC Research Group, Medical Biotechnology Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Samaneh Saberi
- HPGC Research Group, Medical Biotechnology Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Maryam Esmaeili
- HPGC Research Group, Medical Biotechnology Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Valérie Michel
- Institut Pasteur, Unit of Helicobacter Pathogenesis, CNRS UMR2001, 25-28 Rue du Dr Roux, 75724 Paris Cedex 15, France
| | - Mohammad Tashakoripour
- Gastroenterology Department, Amiralam Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Afshin Abdirad
- Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Arezoo Aghakhani
- Clinical Research Dept., Pasteur Institute of Iran, Tehran, Iran
| | - Sana Eybpoosh
- Department of Epidemiology and Biostatistics, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Tehran, Iran
| | - Massoud Vosough
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | | | - Mahmoud Eshagh Hosseini
- Gastroenterology Department, Amiralam Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Eliette Touati
- Institut Pasteur, Unit of Helicobacter Pathogenesis, CNRS UMR2001, 25-28 Rue du Dr Roux, 75724 Paris Cedex 15, France
| | - Marjan Mohammadi
- HPGC Research Group, Medical Biotechnology Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
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Pennelli G, Grillo F, Galuppini F, Ingravallo G, Pilozzi E, Rugge M, Fiocca R, Fassan M, Mastracci L. Gastritis: update on etiological features and histological practical approach. Pathologica 2021; 112:153-165. [PMID: 33179619 PMCID: PMC7931571 DOI: 10.32074/1591-951x-163] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 06/29/2020] [Indexed: 12/13/2022] Open
Abstract
Gastric biopsies represent one of the most frequent specimens that the pathologist faces in routine activity. In the last decade or so, the landscape of gastric pathology has been changing with a significant and constant decline of H. pylori-related pathologies in Western countries coupled with the expansion of iatrogenic lesions due to the use of next-generation drugs in the oncological setting. This overview will focus on the description of the elementary lesions observed in gastric biopsies and on the most recent published recommendations, guidelines and expert opinions.
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Affiliation(s)
- Gianmaria Pennelli
- Surgical Pathology Unit, Department of Medicine (DIMED), University of Padua, Italy
| | - Federica Grillo
- Anatomic Pathology, San Martino IRCCS Hospital, Genova, Italy.,Anatomic Pathology, Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genova, Genova, Italy
| | - Francesca Galuppini
- Surgical Pathology Unit, Department of Medicine (DIMED), University of Padua, Italy
| | - Giuseppe Ingravallo
- Department of Emergency and Organ Transplantation, Section of Pathological Anatomy, University of Bari Aldo Moro, Italy
| | - Emanuela Pilozzi
- Department of Clinical and Molecular Medicine, UOC Anatomic Pathology, Sant'Andrea Hospital, University "La Sapienza", Rome, Italy
| | - Massimo Rugge
- Surgical Pathology Unit, Department of Medicine (DIMED), University of Padua, Italy.,Veneto Tumor Registry (RTV), Veneto Regional Authority, Padua, Italy
| | - Roberto Fiocca
- Anatomic Pathology, San Martino IRCCS Hospital, Genova, Italy.,Anatomic Pathology, Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genova, Genova, Italy
| | - Matteo Fassan
- Surgical Pathology Unit, Department of Medicine (DIMED), University of Padua, Italy
| | - Luca Mastracci
- Anatomic Pathology, San Martino IRCCS Hospital, Genova, Italy.,Anatomic Pathology, Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genova, Genova, Italy
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Baima DC, Carvalho NS, Barbuti RC, Navarro-Rodriguez T. ASSESSMENT OF THE INTESTINAL MICROBIOTA IN ADULTS WITH EROSIVE ESOPHAGITIS. ARQUIVOS DE GASTROENTEROLOGIA 2021; 58:168-174. [PMID: 34287529 DOI: 10.1590/s0004-2803.202100000-29] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 12/07/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND The intestinal microbiota influences the appropriate function of the gastrointestinal tract. Intestinal dysbiosis may be associated with a higher risk of esophageal lesions, mainly due to changes in gastroesophageal motility patterns, elevation of intra-abdominal pressure, and increased frequency of transient relaxation of the lower esophageal sphincter. OBJECTIVE The aim of this study was to evaluate the intestinal microbiota in individuals with erosive esophagitis and in healthy individuals using metagenomics. METHODS A total of 22 fecal samples from adults aged between 18 and 60 years were included. Eleven individuals had esophagitis (eight men and three women) and 11 were healthy controls (10 men and one woman). The individuals were instructed to collect and store fecal material into a tube containing guanidine solution. The DNA of the microbiota was extracted from each fecal samples and PCR amplification was performed using primers for the V4 region of the 16S rRNA gene. The amplicons were sequenced using the Ion Torrent PGM platform and the data were analyzed using the QIIME™ software version 1.8. Statistical analyses were performed using the Mann-Whitney non-parametric test and the ANOSIM non-parametric method based on distance matrix. RESULTS The alpha-diversity and beta-diversity indices were similar between the two groups, without statistically significant differences. There was no statistically significant difference in the phylum level. However, a statistically significant difference was observed in the abundance of the family Clostridiaceae (0.3% vs 2.0%, P=0.032) and in the genus Faecaliumbacterium (10.5% vs 4.5%, P=0.045) between healthy controls and esophagitis patients. CONCLUSION The findings suggest that reduced abundance of the genus Faecaliumbacterium and greater abundance of the family Clostridiaceae may be risk factors for the development of erosive esophagitis. Intervention in the composition of the intestinal microbiota should be considered as an adjunct to current therapeutic strategies for this clinical condition.
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Affiliation(s)
- Diego Cardoso Baima
- Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brasil
| | - Nayara Salgado Carvalho
- Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brasil
| | - Ricardo Correa Barbuti
- Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brasil
| | - Tomas Navarro-Rodriguez
- Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brasil
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Macke L, Schulz C, Malfertheiner P. The Fear of Gastric Cancer in Patients with Dyspepsia: Challenge in Specialist Care Gastroenterology. Dig Dis 2021; 40:409-416. [PMID: 34348279 DOI: 10.1159/000518394] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 07/09/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Dyspepsia is one of the most common complaints in gastroenterology. While its etiology is usually benign, rare cases of malignancy have to be identified. Individualized risk stratification is essential for cost-effective management of dyspepsia. Here, we discuss the challenges of investigating dyspepsia at the specialist level and provide a framework for rational workup and surveillance strategies. SUMMARY Causes of dyspepsia can be functional or organic, including gastritis, peptic ulcers, or malignancy. H. pylori gastritis represents a specific entity of dyspepsia and increases the risk of gastric cancer. H. pylori eradication can improve symptoms in a subset of patients and reduce gastric cancer risk. In young patients without alarm features, malignancy is rare, and noninvasive testing for H. pylori is appropriate. In elder patients and those with alarm features, high-quality endoscopy is the method of choice to rule out malignancy. Advanced corpus-predominant atrophic gastritis with or without intestinal metaplasia represent precancerous lesions. KEY MESSAGES Symptom assessment requires to distinguish dyspepsia of functional or organic origin. Risk stratification in dyspeptic patients is based on age, alarm features, and H. pylori status. Noninvasive test-and-treat is recommended in patients with low gastric cancer risk, while endoscopy is recommended in individuals at increased risk. H. pylori infection should be eradicated in order to obtain a symptomatic benefit and reduce gastric cancer risk. Advanced preneoplastic lesions require endoscopic surveillance.
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Affiliation(s)
- Lukas Macke
- Department of Medicine II, University Hospital, LMU Munich, Munich, Germany
| | - Christian Schulz
- Department of Medicine II, University Hospital, LMU Munich, Munich, Germany
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Abstract
Gastric cancer (GC) remains a leading cause of cancer morbidity and mortality worldwide. Outcomes from GC remain poor, especially in Western nations where cancer diagnosis is usually at advanced stages where curative resection is not possible. By contrast, nations of East Asia have adopted methods of population-level screening with improvements in stage of diagnosis and survival. In this review, the authors discuss the epidemiology of GC in Western populations, highlight at-risk populations who may benefit from screening, overview screening modalities, and discuss promising approaches to early GC detection.
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Affiliation(s)
- Robert J Huang
- Division of Gastroenterology and Hepatology, Stanford University, 300 Pasteur Drive, Alway Building M211, Stanford, CA 94305, USA.
| | - Joo Ha Hwang
- Division of Gastroenterology and Hepatology, Stanford University, 300 Pasteur Drive, Alway Building M211, Stanford, CA 94305, USA
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Tong Y, Wang H, Zhao Y, He X, Xu H, Li H, Shuai P, Gong L, Wu H, Xu H, Luo Y, Wang D, Liu S, Song Z. Serum pepsinogen levels in different regions of China and its influencing factors: a multicenter cross-sectional study. BMC Gastroenterol 2021; 21:264. [PMID: 34118868 PMCID: PMC8199540 DOI: 10.1186/s12876-021-01794-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 04/26/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The aim of this study is to investigate the difference of serum pepsinogen (PG) baseline levels in different regions of China and its influencing factors. METHODS From October 2016 to October 2018, asymptomatic health checkup people who underwent nasal endoscopy in nine health management centers in different regions of China were collected. Lifestyle questionnaires were conducted, and serum PG and gastroscopy were performed. The differences in PG levels in baseline population (OLGA-0 grade) were studied according to geographical subregions of China. SPSS software was used for statistical analysis. RESULTS 1922 patients were included in the final analysis. Compared with the non-atrophy (OLGA-0) group, PGR levels in atrophy group (OLGA-I to IV) were significantly decreased with the atrophy degree (p < 0.05). A total of 1590 baseline people (OLGA-0) were included in the study, including 254 from South China, 574 from East China, 210 from Southwest China, 332 from Northeast China, and 220 from Central/Northern China. There were significant differences in baseline PGI levels among the five regions (p < 0.05). The PGII levels were also different among the five regions, except for Central/Northern versus Southern China. PGR (PGI/PGII ratio) levels in Southern China were higher than other four regions. Further studies were conducted on the related factors that might affect the baseline PG level, which was affected by nationality, dietary habits, smoking, Helicobacter pylori infection and other related factors. CONCLUSION Influenced by many factors, the baseline PG levels are different in different regions of China. In the follow-up studies of PG cut-off value, different PG cut-off value based on region may be more effective in the screening of gastric cancer and precancerous lesions in China.
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Affiliation(s)
- Yuling Tong
- Department of General Practice/Health Management Center, The Second Affiliated Hospital of Zhejiang University, School of Medicine, No. 88 Jiefang Road, Hangzhou, China
| | - Hongguang Wang
- Department of Gastroenterology, Jilin City People's Hospital, Jilin, China
| | - Yi Zhao
- Department of General Practice/Health Management Center, The Second Affiliated Hospital of Zhejiang University, School of Medicine, No. 88 Jiefang Road, Hangzhou, China
| | - Xueqiang He
- Department of Gastroenterology, No. 924 Hospital of the People's Liberation Army of China, Guilin, China
| | - Hongwei Xu
- Department of Gastroenterology, Kunshan Hospital of Traditional Chinese Medicine, Kunshan, China
| | - Hong Li
- Department of Health Medicine, Chinese PLA General Hospital, Beijing, China
| | - Ping Shuai
- Health Management Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Lirong Gong
- Health Management Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Hongbo Wu
- Department of Gastroenterology, The First Hospital Affiliated to AMU (Southwest Hospital), Chongqing, China
| | - Hongzhi Xu
- Department of Gastroenterology, Zhongshan Hospital Affiliated to Xiamen University, Xiamen, China
| | - Yinhu Luo
- Department of Gastroenterology, Jingzhou Hospital of Traditional Chinese Medicine, Jingzhou, China
| | - Dong Wang
- Department of Gastroenterology, Shanghai Changhai Hospital, Shanghai, China
| | - Shizhu Liu
- Department of Gastroenterology, Jilin City People's Hospital, Jilin, China
| | - Zhenya Song
- Department of General Practice/Health Management Center, The Second Affiliated Hospital of Zhejiang University, School of Medicine, No. 88 Jiefang Road, Hangzhou, China.
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Coelho MCF, Ribeiro HG, Gomes CGDO, Marinho FP, Barbosa AJA, Coelho LGV. HELICOBACTER PYLORI CHRONIC GASTRITIS ON PATIENTS WITH PREMALIGNANT CONDITIONS: OLGA AND OLGIM EVALUATION AND SERUM BIOMARKERS PERFORMANCE. ARQUIVOS DE GASTROENTEROLOGIA 2021; 58:39-47. [PMID: 33909795 DOI: 10.1590/s0004-2803.202100000-08] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 10/15/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND H. pylori chronic atrophic gastritis is a premalignant lesion, and its staging, according to OLGA and OLGIM systems aims to identify patients at increased risk of developing gastric cancer and optimize their follow-up. GastroPanel®, serum biomarkers panel including pepsinogen I (PGI), pepsinogen II (PGII), Gastrin 17 (G17) and anti- H. pylori antibodies is a noninvasive test for adenocarcinoma risk assessment in chronic H. pylori gastritis patients. OBJECTIVE Prospective study to evaluate the concordance between OLGA and OLGIM grading systems, as well as to evaluate GastroPanel´s performance in patients with premalignant lesions secondary to H. pylori chronic gastritis in Brazil. METHODS Patients with H. pylori chronic gastritis with premalignant lesions confirmed by histology were recruited from the gastrointestinal clinic of a University Hospital. All participants underwent endoscopic examination with biopsies which were reported according to updated Sydney system and premalignant lesions grading systems (OLGA and OLGIM). Blood samples were collected for biomarkers serological analysis (GastroPanel®, Biohit, Helsinki, Finland). The cut off values used to define high risk patients were those recommended by the manufacturer: PGI ≤30 µm/L and PGI/PGII ≤3. RESULTS 41 patients were recruited: 28 women, 13 men, mean age 67.3 (47-89, SD: 9.6) years. By OLGA system, were obtained: OLGA 0 (n=1), OLGA I (n=7), OLGA II (n=17), OLGA III (n=9), and OLGA IV (n=7). By OLGIM system, were obtained: OLGIM 0 (n=14), OLGIM I (n=5), OLGIM II (n=10), OLGIM III (n=10), and OLGIM IV (n=2). Regarding histological staging among patients staged as low risk (OLGA/OLGIM 0, I and II) and high risk (OLGA/OLGIM III and IV) for gastric cancer development, the concordance rate found between both classifications was 85.4%. Considering high risk patients, those patients thus included in at least one of the systems the final distribution of our sample considered 24 low-risk and 17 high-risk patients for the development of gastric cancer. To determine by GastroPanel® whether the patient would be at low or high risk of developing gastric cancer, PGI showed a sensitivity, specificity and accuracy of 0.47 (95%CI: 0.26-0.69), 0.67 (95%CI: 0.47-0.82), and 0.58 (95%CI: 0.43-0.72), respectively, while PGI/PGII showed sensitivity, specificity and accuracy of 0.06 (95%CI: 0.01-0.27), 0.83 (95%CI: 0.64-0.93) and 0.51 (95%CI: 0.36-0.66), respectively. CONCLUSION The histological classifications OLGA and OLGIM presented a substantial concordance rate among themselves. Simultaneous use of both histological classification systems increased the identification's rate of high-risk patients. Biomarker analysis was not effective to distinguish low to high risk patients in the studied population. Further studies are needed to validate its use in clinical practice in Brazil.
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Affiliation(s)
- Maria Clara Freitas Coelho
- Universidade Federal de Minas Gerais, Faculdade de Medicina, Programa de Pós-Graduação em Ciências Aplicadas à Saúde do Adulto, Belo Horizonte, MG, Brasil.,Faculdade de Ciências Médicas de Minas Gerais, Belo Horizonte, MG, Brasil
| | - Henrique Gomes Ribeiro
- Universidade Federal de Minas Gerais, Instituto Alfa de Gastroenterologia, Hospital das Clínicas, Belo Horizonte, MG, Brasil
| | - Celio Geraldo de Oliveira Gomes
- Universidade Federal de Minas Gerais, Instituto Alfa de Gastroenterologia, Hospital das Clínicas, Belo Horizonte, MG, Brasil
| | - Frederico Passos Marinho
- Universidade Federal de Minas Gerais, Instituto Alfa de Gastroenterologia, Hospital das Clínicas, Belo Horizonte, MG, Brasil
| | - Alfredo J A Barbosa
- Universidade Federal de Minas Gerais, Faculdade de Medicina, Programa de Pós-Graduação em Ciências Aplicadas à Saúde do Adulto, Belo Horizonte, MG, Brasil.,Universidade Federal de Minas Gerais, Instituto Alfa de Gastroenterologia, Hospital das Clínicas, Belo Horizonte, MG, Brasil
| | - Luiz Gonzaga Vaz Coelho
- Universidade Federal de Minas Gerais, Faculdade de Medicina, Programa de Pós-Graduação em Ciências Aplicadas à Saúde do Adulto, Belo Horizonte, MG, Brasil.,Universidade Federal de Minas Gerais, Instituto Alfa de Gastroenterologia, Hospital das Clínicas, Belo Horizonte, MG, Brasil
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