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Ito T, Ramos-Alvarez I, Jensen RT. Long-Term Proton Pump Inhibitor-Acid Suppressive Treatment Can Cause Vitamin B 12 Deficiency in Zollinger-Ellison Syndrome (ZES) Patients. Int J Mol Sci 2024; 25:7286. [PMID: 39000391 PMCID: PMC11242121 DOI: 10.3390/ijms25137286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 06/26/2024] [Accepted: 06/28/2024] [Indexed: 07/16/2024] Open
Abstract
Whether the long-term treatment of patients with proton pump inhibitors (PPIs) with different diseases [GERD, Zollinger-Ellison syndrome (ZES), etc.] can result in vitamin B12 (VB12) deficiency is controversial. In this study, in 175 patients undergoing long-term ZES treatment with anti-acid therapies, drug-induced control acid secretory rates were correlated with the presence/absence of VB12 deficiency, determined by assessing serum VB12 levels, measurements of VB12 body stores (blood methylmalonic acid (MMA) and total homocysteine[tHYC]), and other features of ZES. After a mean of 10.2 yrs. of any acid treatment (5.6 yrs. with PPIs), 21% had VB12 deficiency with significantly lower serum and body VB12 levels (p < 0.0001). The presence of VB12 deficiency did not correlate with any feature of ZES but was associated with a 12-fold lower acid control rate, a 2-fold higher acid control pH (6.4 vs. 3.7), and acid control secretory rates below those required for the activation of pepsin (pH > 3.5). Over a 5-yr period, the patients with VB12 deficiency had a higher rate of achlorhydria (73% vs. 24%) and a lower rate of normal acid secretion (0% vs. 49%). In conclusion, in ZES patients, chronic long-term PPI treatment results in marked acid hyposecretion, resulting in decreased serum VB12 levels and decreased VB12-body stores, which can result in VB12 deficiency.
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Affiliation(s)
- Tetsuhide Ito
- Neuroendocrine Tumor Centra, Fukuoka Sanno Hospital, International University of Health and Welfare, 3-6-45 Momochihama, Sawara-Ku, Fukuoka 814-0001, Japan
| | | | - Robert T Jensen
- Digestive Diseases Branch, NIDDK, NIH, Bethesda, MD 20892-1804, USA
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Wells SA. Jeffrey A. Norton and the Multiple Endocrine Neoplasia Syndromes. Ann Surg Oncol 2024; 31:3611-3614. [PMID: 38494562 DOI: 10.1245/s10434-024-15079-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 02/08/2024] [Indexed: 03/19/2024]
Abstract
BACKGROUND Jeffrey A. Norton could have been a professional football player but instead he chose to pursue a career in medicine and in the process became an outstanding academic surgeon. This story recounts his ascent from a small town in Massachusetts to the pinnacle of academic surgery. METHODS After graduating from high school in Albany, New York, Jeff continued his education at Dartmouth University, the State University of New York Upstate Medical University at Syracuse (SUNY Upstate Medical University), and the Department of Surgery at the Duke University School of Medicine. When he completed the surgical residency, he spent 10 years at the National Cancer Institute (NCI) where he and his colleagues made significant contributions to the diagnosis and treatment of patients with endocrine tumors. After leaving the NCI, he had highly productive years as a Professor in Departments of Surgery at Washington University, the University of California at San Francisco, and Stanford University. He became a member of every major academic surgical society and won numerous awards for his accomplishments in research. His expertise in educating medical students and surgical residents is legendary. RESULTS In addition to his academic accomplishments, Jeff trained legions of young surgeons who subsequently made significant contributions in surgical investigation and clinical surgery. CONCLUSION It is most fitting that the Stanford University School of Medicine has assembled a group of Jeffrey Norton's colleagues in academic medicine and surgery to pay tribute to his achievements as a surgical scientist.
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Affiliation(s)
- Samuel A Wells
- Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA.
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Rehfeld JF. The cckOMA syndrome and its relation to the Zollinger-Ellison syndrome: a diagnostic challenge. Scand J Gastroenterol 2024; 59:533-542. [PMID: 38299632 DOI: 10.1080/00365521.2024.2308532] [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: 11/30/2023] [Accepted: 01/14/2024] [Indexed: 02/02/2024]
Abstract
OBJECTIVE Among patients with enteropancreatic neuroendocrine tumor syndromes only one case with a cholecystokinin (CCK) secreting tumor has been reported. She had significant hyperCCKemia leading to a specific syndrome of severe diarrheas, weight loss, repeated duodenal ulcers and a permanently contracted gallbladder with gallstones. There are, however, reasons to believe that further CCKomas exist, for instance among Zollinger-Ellison patients with normal plasma gastrin concentrations. The present review is a call to gastroenterologists for awareness of such CCKoma patients. METHOD After a short case report, the normal endocrine and oncological biology of CCK is described. Subsequently, the CCKoma symptoms are discussed with particular reference to the partly overlapping symptoms of the Zollinger-Ellison syndrome. In this context, the diagnostic use of truly specific CCK and gastrin assays are emphasized. The discussion also entails the problem of access to accurate CCK measurements. CONCLUSION Obviously, the clinical awareness about the CCKoma syndrome is limited. Moreover, it is also likely that the knowledge about the necessary specificity demands of diagnostic gastrin and CCK assays have obscured proper diagnosis of the CCKoma syndromes in man.
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Affiliation(s)
- Jens F Rehfeld
- Department of Clinical Biochemistry, University of Copenhagen, Rigshospitalet, Copenhagen, Denmark
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Efared B, Tassiou EIM, Bako ABA, Boubacar I, Boureima HS, Nouhou H. Sporadic Zollinger-Ellison syndrome in a patient with isolated mesenteric gastrinoma. Int J Surg Case Rep 2024; 116:109474. [PMID: 38447521 PMCID: PMC10926117 DOI: 10.1016/j.ijscr.2024.109474] [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: 02/04/2024] [Revised: 02/27/2024] [Accepted: 02/29/2024] [Indexed: 03/08/2024] Open
Abstract
INTRODUCTION Zollinger-Ellison syndrome (ZES) is due to a gastrin-producing neuroendocrine tumor (gastrinoma) with subsequent gastric acid hypersecretion, gastroesophageal reflux disease (GERD), peptic ulcers, and chronic diarrhea. CASE PRESENTATION A 40-year old patient presented with epigastric pain associated with diarrhea evolving for 10 years, he has been treated by acid-suppressive medications without substantial clinical improvement. Gastro-duodenal endoscopy was performed with gastric biopsies that showed peptic ulcerations, a serum gastrin assay that showed high levels exceeding 10 times the upper limit of the normal range. The abdominal contrast-enhanced computed tomography scan (CT-Scan) showed a solid-cystic mass with contrast enhancement in the right colon mesentery. The histopathological analysis of the resected mass showed a well-differentiated neuroendocrine tumor, and the diagnosis of a sporadic Zollinger-Ellison syndrome (ZES) was disclosed. Eighteen months after the surgical treatment the patient has no symptoms of the disease. CLINICAL DISCUSSION Patients with ZES present often with long-standing clinical symptoms with delayed diagnosis. The surgical resection of the causative gastrinoma remains the most effective therapeutic treatment. CONCLUSION Patients with refractory chronic diarrhea and epigastric pain should be suspected of having ZES in order to benefit from adequate clinical management.
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Affiliation(s)
- Boubacar Efared
- Faculté des Sciences de la Santé, Université Abdou Moumouni, Niamey, Niger; Laboratoire d'anatomie et cytologie pathologiques, Hôpital National de Niamey, Niger.
| | - Elh I M Tassiou
- Service de chirurgie viscérale, Hôpital National Amirou B. Diallo, Niamey, Niger
| | - Aïchatou Balaraba Abani Bako
- Faculté des Sciences de la Santé, Université Abdou Moumouni, Niamey, Niger; Hôpital Général de Référence, Niamey, Niger
| | - Idrissa Boubacar
- Laboratoire d'anatomie et cytologie pathologiques, Hôpital National de Niamey, Niger
| | | | - Hassan Nouhou
- Faculté des Sciences de la Santé, Université Abdou Moumouni, Niamey, Niger
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Imamura M, Komoto I, Taki Y. How to treat gastrinomas in patients with multiple endocrine neoplasia type1: surgery or long-term proton pump inhibitors? Surg Today 2023; 53:1325-1334. [PMID: 36473964 PMCID: PMC10678812 DOI: 10.1007/s00595-022-02627-z] [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: 08/19/2022] [Accepted: 10/08/2022] [Indexed: 12/12/2022]
Abstract
In patients with multiple endocrine neoplasia type 1 syndrome (MEN 1) and Zollinger-Ellison syndrome (ZES), gastrinomas arise from the duodenum, about 60% are multiple, and about 15% of patients have coexisting pancreatic gastrinomas, which can be localized by the selective arterial secretagogue injection test (SASI test). The guidelines (GLs) by the Japanese Neuroendocrine Tumor Society (JNETS) recommend surgical resection for functioning duodenopancreatic neuroendocrine tumors (NETs), including gastrinomas, in patients with MEN1 (Grade A, 100% agreement among members). Conversely, the GLs of the National Comprehensive Cancer Network (NCCN) in the USA recommend observation and treatment with proton pump inhibitors (PPIs) or exploratory surgery for occult gastrinomas. An international Consensus Statement (ICS) from the European Union (EU) also does not recommend resection of gastrinomas in patients with MEN1, despite some surgeons having reported surgery being curative for gastrinomas in MEN1 patients. In this review, we discuss the serious side effects and tumorigenic effects of the prolonged use of PPIs and the safety and curability of surgery, supported by our results of curative surgery for gastrinomas in 20 patients with MEN1 over 30 years. We conclude that surgery should be the first-line treatment for gastrinomas in MEN1 patients.
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Affiliation(s)
- Masayuki Imamura
- Neuroendocrine Tumor Center, Kansai Electric Power Hospital, 2-1-7, Fukushima, Fukushima-Ku, Osaka City, 553-0003, Japan.
- Department of Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin Kawaharacho, Sakyo-Ku, Kyoto City, 606-8507, Japan.
| | - Izumi Komoto
- Department of Surgery, Kansai Electric Power Hospital, 2-1-7, Fukushima, Fukushima-Ku, Osaka City, Japan
| | - Yoshiro Taki
- Department of Surgery, Kansai Electric Power Hospital, 2-1-7, Fukushima, Fukushima-Ku, Osaka City, Japan
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Waldum H, Mjønes P. The central role of gastrin in gastric cancer. Front Oncol 2023; 13:1176673. [PMID: 37941554 PMCID: PMC10628637 DOI: 10.3389/fonc.2023.1176673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 09/19/2023] [Indexed: 11/10/2023] Open
Abstract
The prevalence of gastric cancer has markedly declined, but due to the high mortality rates associated with gastric cancer, it is still a serious disease. The preferred classification of gastric cancer is according to Lauren into either the intestinal type, which has a glandular growth pattern, or the diffuse type, which does not have glandular structures. Both types have been classified as adenocarcinomas, with the latter type based on periodic acid-Schiff (PAS) positivity presumed to reflect mucin. However, the presence of mucin in the diffuse type, in contrast to neuroendocrine/enterochromaffin-like (ECL) cell markers, has not been confirmed by immunohistochemistry and in situ hybridization. The ECL cells are probably prone to becoming cancerous because they do not express E-cadherin. Gastric cancer is unique in that a bacterium, Helicobacter pylori, is thought to be its main cause. H. pylori predisposes infected individuals to cancer only after having caused oxyntic atrophy leading to gastric hypoacidity and hypergastrinemia. No single H. pylori factor has been convincingly proved to be carcinogenic. It is probable that gastrin is the pathogenetic factor for gastric cancer due to H. pylori, autoimmune gastritis, and long-term prolonged inhibition of gastric acid secretion. Hypergastrinemia induces ECL cell hyperplasia, which develops into neuroendocrine tumors (NETs) and then into neuroendocrine carcinomas in rodents, a sequence that has also been described in humans. During carcinogenesis, the tumor cells lose specific traits, requiring that sensitive methods be used to recognize their origin. Gastric cancer occurrence may hopefully be prevented by H. pylori eradication at a young age, and by the reduced use of inhibitors of acid secretion and use of a gastrin antagonist in those with previous long-term H. pylori infection and those with autoimmune gastritis.
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Affiliation(s)
- Helge Waldum
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - Patricia Mjønes
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Pathology, St. Olav’s Hospital – Trondheim University Hospital, Trondheim, Norway
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Demblowski LA, Khan TM, Zeiger MA. Endocrine surgery and the surgeon-scientist: Bridging the gap between a rich history and a bright future. Am J Surg 2023; 225:690-693. [PMID: 36266134 PMCID: PMC10033319 DOI: 10.1016/j.amjsurg.2022.10.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/31/2022] [Accepted: 10/05/2022] [Indexed: 11/01/2022]
Abstract
INTRODUCTION We evaluate National Institutes of Health (NIH) data to describe endocrine surgical research performed by surgeons in the United States. METHODS An internal NIH database was queried for endocrine surgery-related grants awarded to surgeons in 2010, 2015, and 2020. The grants were then compared based on cost, grant type, research type, and endocrine topic. RESULTS Eighteen grants ($6.4 M) focused on endocrine surgery-related research topics were identified in 2020, 17 ($7.3 M) in 2015, and 11 ($3.8 M) in 2010. In 2020, 14 grants were basic science and 4 were clinical outcomes, and pancreatic endocrine disease and thyroid disease each comprised 6 grants. R01 and R21 grants comprised 10 (55.6%) of the grants in 2020, compared to 10 (58.5%) in 2015 and 8 (72.7%) in 2010, while K08 and K23 grants increased to 4 (22.2%) in 2020 from 2 (11.8%) in 2015 and none in 2010. CONCLUSION There were more K-awards focused on endocrine surgery-related research in 2020 compared to 2015 and 2010, suggesting the pipeline is growing.
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Affiliation(s)
- Lindsay A Demblowski
- Office of Surgeon Scientists Programs, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Tahsin M Khan
- Surgical Oncology Program, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Martha A Zeiger
- Office of Surgeon Scientists Programs, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA; Surgical Oncology Program, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
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Sulciner ML, Clancy TE. Surgical Management of Pancreatic Neuroendocrine Tumors. Cancers (Basel) 2023; 15:cancers15072006. [PMID: 37046665 PMCID: PMC10093271 DOI: 10.3390/cancers15072006] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/23/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023] Open
Abstract
Pancreatic neuroendocrine tumors (PNETs) are relatively uncommon malignancies, characterized as either functional or nonfunctional secondary to their secretion of biologically active hormones. A wide range of clinical behavior can be seen, with the primary prognostic indicator being tumor grade as defined by the Ki67 proliferation index and mitotic index. Surgery is the primary treatment modality for PNETs. While functional PNETs should undergo resection for symptom control as well as potential curative intent, nonfunctional PNETs are increasingly managed nonoperatively. There is increasing data to suggest small, nonfunctional PNETs (less than 2 cm) are appropriate follow with nonoperative active surveillance. Evidence supports surgical management of metastatic disease if possible, and occasionally even surgical management of the primary tumor in the setting of widespread metastases. In this review, we highlight the evolving surgical management of local and metastatic PNETs.
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Ito T, Ramos-Alvarez I, Jensen RT. Successful Lifetime/Long-Term Medical Treatment of Acid Hypersecretion in Zollinger-Ellison Syndrome (ZES): Myth or Fact? Insights from an Analysis of Results of NIH Long-Term Prospective Studies of ZES. Cancers (Basel) 2023; 15:1377. [PMID: 36900170 PMCID: PMC10000208 DOI: 10.3390/cancers15051377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/09/2023] [Accepted: 02/15/2023] [Indexed: 02/24/2023] Open
Abstract
Analysis of the efficacy/pharmacology of long-term/lifetime medical treatment of acid hypersecretion in a large cohort of ZES patients in a prospective study. This study includes the results from all 303 patients with established ZES who were prospectively followed and received acid antisecretory treatment with either H2Rs or PPIs, with antisecretory doses individually titrated by the results of regular gastric acid testing. The study includes patients treated for short-term periods (<5 yrs), patients treated long-term (>5 yrs), and patients with lifetime treatment (30%) followed for up to 48 years (mean 14 yrs). Long-term/lifelong acid antisecretory treatment with H2Rs/PPIs can be successfully carried out in all patients with both uncomplicated and complicated ZES (i.e., with MEN1/ZES, previous Billroth 2, severe GERD). This is only possible if drug doses are individually set by assessing acid secretory control to establish proven criteria, with regular reassessments and readjustments. Frequent dose changes both upward and downward are needed, as well as regulation of the dosing frequency, and there is a primary reliance on the use of PPIs. Prognostic factors predicting patients with PPI dose changes are identified, which need to be studied prospectively to develop a useful predictive algorithm that could be clinically useful for tailored long-term/lifetime therapy in these patients.
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Affiliation(s)
- Tetsuhide Ito
- Neuroendocrine Tumor Centre, Fukuoka Sanno Hospital, International University of Health and Welfare, 3-6-45 Momochihama, Sawara-Ku, Fukuoka 814-0001, Japan
| | | | - Robert T. Jensen
- Digestive Diseases Branch, NIDDK, NIH, Bethesda, MD 20892-1804, USA
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10
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Knapp TG, Duan S, Merchant JL, Sawyer TW. Quantitative characterization of duodenal gastrinoma autofluorescence using multiphoton microscopy. Lasers Surg Med 2023; 55:208-225. [PMID: 36515355 PMCID: PMC9957894 DOI: 10.1002/lsm.23619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 10/04/2022] [Accepted: 11/25/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Duodenal gastrinomas (DGASTs) are neuroendocrine tumors that develop in the submucosa of the duodenum and produce the hormone gastrin. Surgical resection of DGASTs is complicated by the small size of these tumors and the tendency for them to develop diffusely in the duodenum. Endoscopic mucosal resection of DGASTs is an increasingly popular method for treating this disease due to its low complication rate but suffers from poor rates of pathologically negative margins. Multiphoton microscopy can capture high-resolution images of biological tissue with contrast generated from endogenous fluorescence (autofluorescence [AF]) through two-photon excited fluorescence (2PEF). Second harmonic generation is another popular method of generating image contrast with multiphoton microscopy (MPM) and is a light-scattering phenomenon that occurs predominantly from structures such as collagen in biological samples. Some molecules that contribute to AF change in abundance from processes related to the cancer disease process (e.g., metabolic changes, oxidative stress, and angiogenesis). STUDY DESIGN/MATERIALS AND METHODS MPM was used to image 12 separate patient samples of formalin-fixed and paraffin-embedded duodenal gastrinoma slides with a second-harmonic generation (SHG) channel and four 2PEF channels. The excitation and emission profiles of each 2PEF channel were tuned to capture signal dominated by distinct fluorophores with well-characterized fluorescent spectra and known connections to the physiologic changes that arise in cancerous tissue. RESULTS We found that there was a significant difference in the relative abundance of signal generated in the 2PEF channels for regions of DGASTs in comparison to the neighboring tissues of the duodenum. Data generated from texture feature extraction of the MPM images were used in linear discriminant analysis models to create classifiers for tumor versus all other tissue types before and after principal component analysis (PCA). PCA improved the classifier accuracy and reduced the number of features required to achieve maximum accuracy. The linear discriminant classifier after PCA distinguished between tumor and other tissue types with an accuracy of 90.6%-93.8%. CONCLUSIONS These results suggest that multiphoton microscopy 2PEF and SHG imaging is a promising label-free method for discriminating between DGASTs and normal duodenal tissue which has implications for future applications of in vivo assessment of resection margins with endoscopic MPM.
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Affiliation(s)
- Thomas G. Knapp
- Department of Biomedical Engineering, University of Arizona, Tucson, Arizona, USA
| | - Suzann Duan
- College of Medicine, University of Arizona, Tucson, Arizona, USA
| | | | - Travis W. Sawyer
- Department of Biomedical Engineering, University of Arizona, Tucson, Arizona, USA
- College of Medicine, University of Arizona, Tucson, Arizona, USA
- Wyant College of Optical Sciences, University of Arizona, Tucson, Arizona, USA
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11
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Gastroesophageal Reflux Disease and the Zollinger-Ellison Syndrome. Am J Gastroenterol 2022; 117:1012-1013. [PMID: 35347099 DOI: 10.14309/ajg.0000000000001727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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12
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Shi H, Chen H, Qian B, Huang Z, Tan P, Peng Y, Tang X, Ye M. The 100 most cited articles on pancreatic neuroendocrine tumors from 2000 to 2020: a bibliometric analysis. Jpn J Clin Oncol 2021; 52:251-259. [PMID: 34954797 DOI: 10.1093/jjco/hyab205] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 12/04/2021] [Indexed: 02/05/2023] Open
Abstract
PURPOSE The present study attempted to identify 100 most cited articles on pancreatic neuroendocrine tumors and characterize them via bibliometric analysis whereby it would provide an insight into the progress and trend in this field. METHODS Records regarding pancreatic neuroendocrine tumors and published between 2000 and 2020 were retrieved in 2021 through the Web of Science to identify the 100 most cited articles. RESULTS The 100 articles were screened in 17 434 records. The number of citations of the top-cited articles ranged from 151 to 1867. These articles were published in 47 journals among which the Journal of Clinical Oncology produced the most articles (n = 10). The USA contributed most of the articles (n = 44). Articles enrolled came from 58 institutions; the University of California System of the USA came to the top (n = 7). More than half of the articles were clinical studies (n = 55), basic science research reports accounting for a quarter. In clinical topics (n = 73), treatment issues were the most concerned (n = 21), in which more articles focused on targeted inhibitors. Articles about gene mutation were cited most frequently in basic science topics (n = 27). CONCLUSIONS This bibliometric analysis reflected the brief the progress and highlighted current trend in pancreatic neuroendocrine tumor research, providing references for further study.
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Affiliation(s)
- Hao Shi
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Hao Chen
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Baolin Qian
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Zhiwei Huang
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Peng Tan
- Sichuan Provincial Academician (Expert) Workstation, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yan Peng
- Department of Gastroenterology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Xiaowei Tang
- Department of Gastroenterology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Mingxin Ye
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou, China
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13
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Chang A, Sherman SK, Howe JR, Sahai V. Progress in the Management of Pancreatic Neuroendocrine Tumors. Annu Rev Med 2021; 73:213-229. [PMID: 34669433 DOI: 10.1146/annurev-med-042320-011248] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Pancreatic neuroendocrine tumors (PNETs) are a heterogeneous and orphan group of neoplasms that vary in their histology, clinical features, prognosis, and management. The treatment of PNETs is highly dependent on the stage at presentation, tumor grade and differentiation, presence of symptoms from hormonal overproduction or from local growth, tumor burden, and rate of progression. The US Food and Drug Administration has recently approved many novel treatments, which have altered decision making and positively impacted the care and prognosis of these patients. In this review, we focus on the significant progress made in the management of PNETs over the past decade, as well as the active areas of research. Expected final online publication date for the Annual Review of Medicine, Volume 73 is January 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Amy Chang
- Division of Hematology and Oncology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, USA; ,
| | - Scott K Sherman
- Division of Surgical Oncology and Endocrine Surgery, Department of Surgery, University of Iowa, Iowa City, Iowa 52242, USA; ,
| | - James R Howe
- Division of Surgical Oncology and Endocrine Surgery, Department of Surgery, University of Iowa, Iowa City, Iowa 52242, USA; ,
| | - Vaibhav Sahai
- Division of Hematology and Oncology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, USA; ,
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14
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Rossi RE, Elvevi A, Citterio D, Coppa J, Invernizzi P, Mazzaferro V, Massironi S. Gastrinoma and Zollinger Ellison syndrome: A roadmap for the management between new and old therapies. World J Gastroenterol 2021; 27:5890-5907. [PMID: 34629807 PMCID: PMC8475006 DOI: 10.3748/wjg.v27.i35.5890] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/29/2021] [Accepted: 08/10/2021] [Indexed: 02/06/2023] Open
Abstract
Zollinger-Ellison syndrome (ZES) associated with pancreatic or duodenal gastrinoma is characterized by gastric acid hypersecretion, which typically leads to gastroesophageal reflux disease, recurrent peptic ulcers, and chronic diarrhea. As symptoms of ZES are nonspecific and overlap with other gastrointestinal disorders, the diagnosis is often delayed with an average time between the onset of symptoms and final diagnosis longer than 5 years. The critical step for the diagnosis of ZES is represented by the initial clinical suspicion. Hypergastrinemia is the hallmark of ZES; however, hypergastrinemia might recognize several causes, which should be ruled out in order to make a final diagnosis. Gastrin levels > 1000 pg/mL and a gastric pH below 2 are considered to be diagnostic for gastrinoma; some specific tests, including esophageal pH-recording and secretin test, might be useful in selected cases, although they are not widely available. Endoscopic ultrasound is very useful for the diagnosis and the local staging of the primary tumor in patients with ZES, particularly in the setting of multiple endocrine neoplasia type 1. Some controversies about the management of these tumors also exist. For the localized stage, the combination of proton pump inhibitory therapy, which usually resolves symptoms, and surgery, whenever feasible, with curative intent represents the hallmark of gastrinoma treatment. The high expression of somatostatin receptors in gastrinomas makes them highly responsive to somatostatin analogs, supporting their use as anti-proliferative agents in patients not amenable to surgical cure. Other medical options for advanced disease are super-imposable to other neuroendocrine neoplasms, and studies specifically focused on gastrinomas only are scant and often limited to case reports or small retrospective series. The multidisciplinary approach remains the cornerstone for the proper management of this composite disease. Herein, we reviewed available literature about gastrinoma-associated ZES with a specific focus on differential diagnosis, providing potential diagnostic and therapeutic algorithms.
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Affiliation(s)
- Roberta Elisa Rossi
- HPB Surgery, Hepatology and Liver Transplantation, ENETS Center of Excellence, Fondazione IRCCS Istituto Nazionale Tumori (INT, National Cancer Institute), Milan 20133, Italy
- Department of Pathophysiology and Transplantation, University of Milan, Milan 20122, Italy
| | - Alessandra Elvevi
- Division of Gastroenterology and Center for Autoimmune Liver Diseases, Department of Medicine and Surgery, University of Milano-Bicocca, Monza 20900, Italy
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), San Gerardo Hospital, Monza 20033, Italy
| | - Davide Citterio
- HPB Surgery, Hepatology and Liver Transplantation, ENETS Center of Excellence, Fondazione IRCCS Istituto Nazionale Tumori (INT, National Cancer Institute), Milan 20133, Italy
| | - Jorgelina Coppa
- HPB Surgery, Hepatology and Liver Transplantation, ENETS Center of Excellence, Fondazione IRCCS Istituto Nazionale Tumori (INT, National Cancer Institute), Milan 20133, Italy
| | - Pietro Invernizzi
- Division of Gastroenterology and Center for Autoimmune Liver Diseases, Department of Medicine and Surgery, University of Milano-Bicocca, Monza 20900, Italy
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), San Gerardo Hospital, Monza 20033, Italy
| | - Vincenzo Mazzaferro
- HPB Surgery, Hepatology and Liver Transplantation, ENETS Center of Excellence, Fondazione IRCCS Istituto Nazionale Tumori (INT, National Cancer Institute), Milan 20133, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan 20122, Italy
| | - Sara Massironi
- Division of Gastroenterology and Center for Autoimmune Liver Diseases, Department of Medicine and Surgery, University of Milano-Bicocca, Monza 20900, Italy
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), San Gerardo Hospital, Monza 20033, Italy
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Tumor Classification Should Be Based on Biology and Not Consensus: Re-Defining Tumors Based on Biology May Accelerate Progress, An Experience of Gastric Cancer. Cancers (Basel) 2021; 13:cancers13133159. [PMID: 34202596 PMCID: PMC8269176 DOI: 10.3390/cancers13133159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 06/14/2021] [Accepted: 06/21/2021] [Indexed: 12/11/2022] Open
Abstract
Simple Summary Rational treatment of diseases including cancers depends on knowledge of their cause as well as their development. The present review is based upon more than 40 years’ work in clinical gastroenterology, gastric physiology, and pathology. The central role of hormones as well as local endocrine cells in cancer development has become apparent. Moreover, the classification of tumors should focus not only on the organ of origin but also on the cell of origin. All cells with the ability to divide may give rise to tumors. Based upon knowledge of the growth regulation of the cell of origin, prophylaxis and treatment may be tailored. Presently, there is hope for individual treatment of cancer patients based upon genetic analyses of tumors. However, with correct identification of the cell of origin, this may not be necessary. Abstract Malignant tumors are a consequence of genetic changes mainly occurring during cell division, sometimes with a congenital component. Therefore, accelerated cell divisions will necessarily predispose individuals, whether due to conditions of chronic cell destruction or hormonal overstimulation. It has been postulated that two genetic hits are necessary for the development of malignancy (Knudson). The correct view is probably that the number of genetic changes needed depends on the role the mutated genes have in proliferation and growth control. Hormones should accordingly be regarded as complete carcinogens. In this review based upon experience of gastric cancer where gastrin is central in the pathogenesis, it is argued that oxyntic atrophy—and not metaplasia as postulated by Correa—is the central precancer change in gastric mucosa. Moreover, the target cell of gastrin, the enterochromaffin-like (ECL) cell, is central in gastric carcinogenesis and most probably the cell of origin of gastric carcinomas of the diffuse type according to Lauren (a classification probable in accordance with biology). The distinction between adenocarcinomas and neuroendocrine carcinomas based upon a certain percentage of cancer cells with neuroendocrine differentiation is questioned. To make progress in the treatment of cancer, a correct classification system and knowledge of the pathogenesis are necessary.
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Effraimidis G, Knigge U, Rossing M, Oturai P, Rasmussen ÅK, Feldt-Rasmussen U. Multiple endocrine neoplasia type 1 (MEN-1) and neuroendocrine neoplasms (NENs). Semin Cancer Biol 2021; 79:141-162. [PMID: 33905872 DOI: 10.1016/j.semcancer.2021.04.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 01/03/2021] [Accepted: 04/16/2021] [Indexed: 12/14/2022]
Abstract
Neuroendocrine neoplasms (NENs) are relatively rare neoplasms with 6.4-times increasing age-adjusted annual incidence during the last four decades. NENs arise from neuroendocrine cells, which release hormones in response to neuronal stimuli and they are distributed into organs and tissues. The presentation and biological behaviour of the NENs are highly heterogeneous, depending on the organ. The increased incidence is mainly due to increased awareness and improved detection methods both in the majority of sporadic NENs (non-inherited), but also the inherited groups of neoplasms appearing in at least ten genetic syndromes. The most important one is multiple endocrine neoplasia type 1 (MEN-1), caused by mutations in the tumour suppressor gene MEN1. MEN-1 has been associated with different tumour manifestations of NENs e.g. pancreas, gastrointestinal tract, lungs, thymus and pituitary. Pancreatic NENs tend to be less aggressive when arising in the setting of MEN-1 compared to sporadic pancreatic NENs. There have been very important improvements over the past years in both genotyping, genetic counselling and family screening, introduction and validation of various relevant biomarkers, as well as newer imaging modalities. Alongside this development, both medical, surgical and radionuclide treatments have also advanced and improved morbidity, quality of life and mortality in many of these patients. Despite this progress, there is still space for improving insight into the genetic and epigenetic factors in relation to the biological mechanisms determining NENs as part of MEN-1. This review gives a comprehensive update of current evidence for co-occurrence, diagnosis and treatment of MEN-1 and neuroendocrine neoplasms and highlight the important progress now finding its way to international guidelines in order to improve the global management of these patients.
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Affiliation(s)
- Grigoris Effraimidis
- ENETS Neuroendocrine Tumor Centre of Excellence, Rigshospitalet, Copenhagen University Hospital, Denmark; Department of Medical Endocrinology and Metabolism, Rigshospitalet, Copenhagen University Hospital, Denmark
| | - Ulrich Knigge
- ENETS Neuroendocrine Tumor Centre of Excellence, Rigshospitalet, Copenhagen University Hospital, Denmark; Department of Medical Endocrinology and Metabolism, Rigshospitalet, Copenhagen University Hospital, Denmark; Department of Surgery and Transplantation, Rigshospitalet, Copenhagen University Hospital, Denmark
| | - Maria Rossing
- Centre for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital, Denmark
| | - Peter Oturai
- Department of Clinical Physiology, Nuclear Medicine & PET, Rigshospitalet, Copenhagen University Hospital, Denmark
| | - Åse Krogh Rasmussen
- ENETS Neuroendocrine Tumor Centre of Excellence, Rigshospitalet, Copenhagen University Hospital, Denmark; Department of Medical Endocrinology and Metabolism, Rigshospitalet, Copenhagen University Hospital, Denmark
| | - Ulla Feldt-Rasmussen
- ENETS Neuroendocrine Tumor Centre of Excellence, Rigshospitalet, Copenhagen University Hospital, Denmark; Department of Medical Endocrinology and Metabolism, Rigshospitalet, Copenhagen University Hospital, Denmark; Institute of Clinical Medicine, Faculty of Health Sciences, Copenhagen University, Denmark.
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17
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Brandi ML, Agarwal SK, Perrier ND, Lines KE, Valk GD, Thakker RV. Multiple Endocrine Neoplasia Type 1: Latest Insights. Endocr Rev 2021; 42:133-170. [PMID: 33249439 PMCID: PMC7958143 DOI: 10.1210/endrev/bnaa031] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Indexed: 02/06/2023]
Abstract
Multiple endocrine neoplasia type 1 (MEN1), a rare tumor syndrome that is inherited in an autosomal dominant pattern, is continuing to raise great interest for endocrinology, gastroenterology, surgery, radiology, genetics, and molecular biology specialists. There have been 2 major clinical practice guidance papers published in the past 2 decades, with the most recent published 8 years ago. Since then, several new insights on the basic biology and clinical features of MEN1 have appeared in the literature, and those data are discussed in this review. The genetic and molecular interactions of the MEN1-encoded protein menin with transcription factors and chromatin-modifying proteins in cell signaling pathways mediated by transforming growth factor β/bone morphogenetic protein, a few nuclear receptors, Wnt/β-catenin, and Hedgehog, and preclinical studies in mouse models have facilitated the understanding of the pathogenesis of MEN1-associated tumors and potential pharmacological interventions. The advancements in genetic diagnosis have offered a chance to recognize MEN1-related conditions in germline MEN1 mutation-negative patients. There is rapidly accumulating knowledge about clinical presentation in children, adolescents, and pregnancy that is translatable into the management of these very fragile patients. The discoveries about the genetic and molecular signatures of sporadic neuroendocrine tumors support the development of clinical trials with novel targeted therapies, along with advancements in diagnostic tools and surgical approaches. Finally, quality of life studies in patients affected by MEN1 and related conditions represent an effort necessary to develop a pharmacoeconomic interpretation of the problem. Because advances are being made both broadly and in focused areas, this timely review presents and discusses those studies collectively.
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Affiliation(s)
| | | | - Nancy D Perrier
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | - Gerlof D Valk
- University Medical Center Utrecht, CX Utrecht, the Netherlands
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18
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Clinical-Pathological Conference Series from the Medical University of Graz : Case No 173: A 77-year-old patient with adenocarcinoma of the prostate, liver metastases and watery diarrhea. Wien Klin Wochenschr 2021; 133:515-522. [PMID: 33398457 PMCID: PMC8116268 DOI: 10.1007/s00508-020-01791-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/27/2020] [Indexed: 11/02/2022]
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Abstract
Regulation of the serum calcium level in humans is achieved by the endocrine action of parathyroid glands working in concert with vitamin D and a set of critical target cells and tissues including osteoblasts, osteoclasts, the renal tubules, and the small intestine. The parathyroid glands, small highly vascularized endocrine organs located behind the thyroid gland, secrete parathyroid hormone (PTH) into the systemic circulation as is needed to keep the serum free calcium concentration within a tight physiologic range. Primary hyperparathyroidism (HPT), a disorder of mineral metabolism usually associated with abnormally elevated serum calcium, results from the uncontrolled release of PTH from one or several abnormal parathyroid glands. Although in the vast majority of cases HPT is a sporadic disease, it can also present as a manifestation of a familial syndrome. Many benign and malignant sporadic parathyroid neoplasms are caused by loss-of-function mutations in tumor suppressor genes that were initially identified by the study of genomic DNA from patients who developed HPT as a manifestation of an inherited syndrome. Somatic and inherited mutations in certain proto-oncogenes can also result in the development of parathyroid tumors. The clinical and genetic investigation of familial HPT in kindreds found to lack germline variants in the already known HPT-predisposition genes represents a promising future direction for the discovery of novel genes relevant to parathyroid tumor development.
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Affiliation(s)
- Jenny E. Blau
- Early Clinical Development, Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, United States
- Metabolic Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, United States
| | - William F. Simonds
- Metabolic Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, United States
- *Correspondence: William F. Simonds,
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20
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Hanzawa S, Sadamori H, Kagoura M, Monden K, Hioki M, Hyodo T, Omonishi K, Takakura N. Primary hepatic gastrinoma being diagnosed preoperatively: a case report and literature review. Surg Case Rep 2020; 6:290. [PMID: 33206240 PMCID: PMC7674545 DOI: 10.1186/s40792-020-01072-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 11/11/2020] [Indexed: 02/24/2023] Open
Abstract
Background A majority of gastrinomas causing Zollinger–Ellison syndrome are located in the duodenum or pancreas. Primary hepatic gastrinomas are rare and difficult to diagnose. We report a rare case of primary hepatic gastrinoma, which could be diagnosed preoperatively. Case presentation A 29-year-old man with a 55-mm tumor in segments 5 and 6 (S 5/6) of the liver was admitted to our hospital. After thorough investigations, he was treated for a suspected inflammatory pseudotumor and advised to undergo routine follow-up. Two years later, he revisited our hospital with a complaint of abdominal pain, vomiting, and diarrhea. Upper gastrointestinal endoscopy revealed multiple duodenal ulcers. His serum gastrin level was 2350 pg/mL (normal: 37–172 pg/mL), suggesting Zollinger–Ellison syndrome. Abdominal computed tomography showed a 78-mm hypervascular tumor with cystic degeneration in the S 5/6 region of the liver, with a potential to increase over time. The tumor showed hypointensity on T2-weighted and hyperintensity on diffusion-weighted abdominal contrast-enhanced magnetic resonance imaging. Somatostatin receptor scintigraphy (SRS) only detected a hepatic tumor. No tumors in the gastrinoma triangle were detected by endoscopic ultrasonography. Hence, selective arterial calcium injection (SACI) test was performed to determine the location of the gastrinoma. The serum gastrin concentration increased from 4620 pg/mL to 23,600 pg/mL at 20 s after calcium gluconate injection into the proper hepatic artery. Conversely, no effect on serum gastrin level was observed after the injection into any other arteries. Extended right hepatic lobectomy and cholecystectomy were performed after percutaneous transhepatic portal vein embolization. A histopathological examination of the liver tumor revealed a gastrinoma. The patient’s serum gastrin concentration on postoperative day 1 decreased to 65 pg/mL. Conclusion We report a surgical case of primary hepatic gastrinoma correctly diagnosed preoperatively. The patient underwent extended right hepatic lobectomy, resulting in a histological definitive diagnosis of primary hepatic gastrinoma.
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Affiliation(s)
- Shunya Hanzawa
- Department of Surgery, Fukuyama City Hospital, 5-23-1 Zao-cho, Fukuyama, Hiroshima, 721-8511, Japan.
| | - Hiroshi Sadamori
- Department of Surgery, Fukuyama City Hospital, 5-23-1 Zao-cho, Fukuyama, Hiroshima, 721-8511, Japan
| | - Masaaki Kagoura
- Department of Surgery, Fukuyama City Hospital, 5-23-1 Zao-cho, Fukuyama, Hiroshima, 721-8511, Japan
| | - Kazuteru Monden
- Department of Surgery, Fukuyama City Hospital, 5-23-1 Zao-cho, Fukuyama, Hiroshima, 721-8511, Japan
| | - Masayoshi Hioki
- Department of Surgery, Fukuyama City Hospital, 5-23-1 Zao-cho, Fukuyama, Hiroshima, 721-8511, Japan
| | - Tsuyoshi Hyodo
- Department of Radiology, Fukuyama City Hospital, 5-23-1 Zao-cho, Fukuyama, Hiroshima, 721-8511, Japan
| | - Kunihiro Omonishi
- Department of Pathology, Fukuyama City Hospital, 5-23-1 Zao-cho, Fukuyama, Hiroshima, 721-8511, Japan
| | - Norihisa Takakura
- Department of Surgery, Fukuyama City Hospital, 5-23-1 Zao-cho, Fukuyama, Hiroshima, 721-8511, Japan
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21
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Ito T, Jensen RT. Perspectives on the current pharmacotherapeutic strategies for management of functional neuroendocrine tumor syndromes. Expert Opin Pharmacother 2020; 22:685-693. [PMID: 33131345 DOI: 10.1080/14656566.2020.1845651] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Introduction: In the past, controlling the hormone-excess-state was the main determinant of survival in Functional-Neuroendocrine-Neoplasm-syndromes (F-NENs). This was difficult because the pharmacological-armamentarium available was limited. Recently, new therapeutic strategies have increased but it also generated controversies/uncertainties.Areas covered: The authors briefly review: established/proposed F-NENs; the rationale for treatments; the recommended initial-pharmacotherapeutic-approach to controlling F-NENs hormone-excess-state; the secondary-approaches if the initial approach fails or resistance develops; and the approach to deal with the malignant nature of the NEN. Also discussed are controversies/uncertainties related to new treatments.Expert opinion: Unfortunately, except for patients with insulinomas (>90-95%), gastrinomas (<20-40%), a minority with the other F-panNENs and 0-<1% with Carcinoid-syndrome is curative-surgery possible. Except for insulinomas, gastrinomas, and ACTHomas, long-acting somatostatin-analogs are the initial-pharmacological-treatments for hormone-excess-state. For insulinomas prior to surgery/malignancy, diazoxide is the initial drug-treatment; for gastrinomas, oral PPIs; and for ACTHomas, steroidogenesis inhibitors. There are now several secondary pharmacotherapeutic treatments. Surgery and liver-directed therapies also have a role in selected patients. Particularly promising is the recent results with PRRT for the hormone-excess-state, independent of its anti-growth effect. The sequence to use various agents and the approach to syndrome diagnosis while taking various agents remains unclear/controversial in many cases.
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Affiliation(s)
- Tetsuhide Ito
- Neuroendocrine Tumor Centre, Fukuoka Sanno Hospital, International University of Health and Welfare, Fukuoka, Japan
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22
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Bozkuş Y, Mousa U, İyidir ÖT, Kırnap N, Demir CÇ, Nar A, Tütüncü NB. Short-Term Effect of Hypergastrinemia Following Esomeprazole Treatment On Well-Controlled Type 2 Diabetes Mellitus: A Prospective Study. Endocr Metab Immune Disord Drug Targets 2020; 20:1090-1096. [DOI: 10.2174/1871530320666200129124555] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 11/16/2019] [Accepted: 11/18/2019] [Indexed: 02/08/2023]
Abstract
Objective:
Proton pump inhibitor (PPI) drugs reduce gastric acid secretion and lead to an
increase in serum gastrin levels. Many preclinical and some clinical researches have established some
positive effects of gastrin or PPI therapy on glucose regulation. The aim of this study was to prospectively
investigate the short term effects of esomeprazole on glycaemic control in patients with type 2
diabetes mellitus. In addition, the presence of an association between this effect and gastrin levels was
evaluated.
Methods:
Thirty-two subjects with type 2 diabetes mellitus were enrolled and grouped as intervention
(n=16) and control (n=16). The participants in the intervention group were prescribed 40 mg of esomeprazole
treatment for three months. At the beginning of the study and at the 3rd month, HbA1c level
(%) and gastrin levels (pmol/L) of participants were assessed. Then, the groups were compared in
terms of their baseline and 3rd month values.
Results:
In the intervention group, the mean gastrin level increased significantly from 34.3±14.4
pmol/L to 87.4±43.6 pmol/L (p<0.001). The mean HbA1c level was similar to the pre-treatment level
(6.3±0.7% vs. 6.4±0.9%, p=0.441). There were no statistically significant differences in all parameters
of the control group. The majority of individuals were on metformin monotherapy (65.6 %). The subgroup
analysis of metformin monotherapy revealed that, in intervention group, there was a significant
increase in gastrin levels (39.9±12.6 vs. 95.5±52.5, p=0.026), but the HbA1c levels did not change
(6.0±0.4 % vs. 5.9±0.6 %, p=0.288); and in control group, gastrin levels did not change (37.5 ± 26.7
vs. 36.1 ±23.3, p=0.367), but there was an increase in HbA1c levels (6.1 ± 0.50 vs. 6.4 ± 0.60, p=0.01).
Conclusion:
Our study demonstrates that esomeprazole has no extra benefit for the controlled diabetic
patient in three months. However, in only the metformin-treated subgroup, esomeprazole may prevent
the rise in HbA1c level.
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Affiliation(s)
- Yusuf Bozkuş
- Department of Endocrinology and Metabolism, Faculty of Medicine, Baskent University, Ankara, Turkey
| | - Umut Mousa
- Department of Endocrinology and Metabolism, Faculty of Medicine, Baskent University, Ankara, Turkey
| | - Özlem T. İyidir
- Department of Endocrinology and Metabolism, Faculty of Medicine, Baskent University, Ankara, Turkey
| | - Nazlı Kırnap
- Department of Endocrinology and Metabolism, Faculty of Medicine, Baskent University, Ankara, Turkey
| | - Canan Ç. Demir
- Department of Endocrinology and Metabolism, Faculty of Medicine, Baskent University, Ankara, Turkey
| | - Aslı Nar
- Department of Endocrinology and Metabolism, Faculty of Medicine, Baskent University, Ankara, Turkey
| | - Neslihan B. Tütüncü
- Department of Endocrinology and Metabolism, Faculty of Medicine, Baskent University, Ankara, Turkey
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Reisinger AC, Eller P, Schilcher G, Eisner F, Kreuzer P, Hackl G, Spindelböck W, Plank J, Kump P. Manifestation of Zollinger-Ellison Syndrome With Hypovolemic Shock. Am J Med 2020; 133:e460-e462. [PMID: 32087107 DOI: 10.1016/j.amjmed.2019.12.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 12/16/2019] [Accepted: 12/16/2019] [Indexed: 10/25/2022]
Affiliation(s)
- Alexander C Reisinger
- Intensive Care Unit, Department of Internal Medicine, Medical University of Graz, Graz, Austria.
| | - Philipp Eller
- Intensive Care Unit, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Gernot Schilcher
- Intensive Care Unit, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Florian Eisner
- Intensive Care Unit, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Philipp Kreuzer
- Intensive Care Unit, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Gerald Hackl
- Intensive Care Unit, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Walter Spindelböck
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Johannes Plank
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Patrizia Kump
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
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24
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Freund MR, Reissman P, Schwarz AD. Jejunal Perforations in Zollinger-Ellison Syndrome: Expect the Unexpected. Am Surg 2020. [DOI: 10.1177/000313482008600239] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Michael R. Freund
- Department of General Surgery Shaare Zedek Medical Center The Hebrew University School of Medicine Jerusalem, Israel
| | - Petachia Reissman
- Department of General Surgery Shaare Zedek Medical Center The Hebrew University School of Medicine Jerusalem, Israel
| | - Alon D. Schwarz
- Department of General Surgery Shaare Zedek Medical Center The Hebrew University School of Medicine Jerusalem, Israel
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Abstract
OBJECTIVE The aim of this study was to determine characteristics of the most cited publications in the history of the American Surgical Association (ASA). SUMMARY BACKGROUND DATA The Annals of Surgery has served as the journal of record for the ASA since 1928, with a special issue each year dedicated to papers presented before the ASA Annual Meeting. METHODS The top 100 most cited ASA publications in the Annals of Surgery were identified from the Scopus database and evaluated for key characteristics. RESULTS The 100 most cited papers from the ASA were published between 1955 and 2010 with an average of 609 citations (range: 333-2304) and are included among the 322 most cited papers in the Annals of Surgery. The most common subjects of study included clinical cancer (n = 43), gastrointestinal (n = 13), cardiothoracic/vascular (n = 9), and transplant (n = 9). Ninety-three institutions were included lead by Johns Hopkins University (n = 9), University of Pittsburgh (n = 8), Memorial Sloan-Kettering (n = 7), John Wayne Cancer Institute (n = 7), University of Texas (n = 7), and 5 each from Brigham and Women's Hospital, Mayo Clinic, and University of Chicago. The majority of manuscripts came from the United States (n = 85), followed by Canada (n = 7), Germany (n = 5), and Italy (n = 5). Study design included randomized controlled trials (n = 19), retrospective matched cohort studies (n = 11), retrospective nonmatched studies (n = 46), and other (n = 24). CONCLUSIONS The top 100 most cited publications from the ASA are highly impactful, landmark studies representing a diverse array of subject matter, investigators, study design, institutions, and countries. These influential publications have immensely advanced surgical science over the decades and should serve as inspiration for all surgeons and surgical investigators.
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Abstract
To better understand developments in treatment of neuroendocrine tumors of the gastroenteropancreatic system, and the pivotal roles of native somatostatin and its long-acting analogues play in normal peptide regulation and neuropeptide excess associated with neuroendocrine tumors (NETs), this article delineates and defines distinct eras in the history and discovery of gastrointestinal endocrinology. We highlight the collaboration between academia and industry in basic science and the clinical research that advanced Lu-177-DOTATATE to approval as standard of care therapy for low-grade NETs. Examples of new radioisotopes and therapy compounds currently in development for diagnosis and therapy for high-grade NETs are also discussed.
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Affiliation(s)
- Thomas M O'Dorisio
- Division of Endocrinology, University of Iowa Hospitals and Clinics, Room E401-5 GH, 200 Hawkins Drive, Iowa City, Iowa 52242, USA.
| | - Alan G Harris
- Department of Medicine, Division of Endocrinology and Metabolism, New York University Langone School of Medicine, New York, New York, 10016, USA
| | - M Sue O'Dorisio
- Division of Pediatric Oncology, University of Iowa Hospitals and Clinics, Room 1300-28 BT, 200 Hawkins Drive, Iowa City, Iowa 52242, USA
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27
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Rehfeld JF. Premises for Cholecystokinin and Gastrin Peptides in Diabetes Therapy. Clin Med Insights Endocrinol Diabetes 2019; 12:1179551419883608. [PMID: 31853211 PMCID: PMC6909273 DOI: 10.1177/1179551419883608] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 09/25/2019] [Indexed: 12/19/2022] Open
Abstract
Gastrin and cholecystokinin (CCK) are classical gastrointestinal peptide hormones. Their biogenesis, structures, and intestinal secretory patterns are well-known with the striking feature that their receptor-bound 'active sites' are highly homologous and that this structure is conserved for more than 500 million years during evolution. Consequently, gastrin and CCK are agonists for the same receptor (the CCK2 receptor). But in addition, tyrosyl O-sulphated CCK are also bound to the specific CCK1 receptor. The receptors are widely expressed in the body, including pancreatic islet-cell membranes. Moreover, CCK and gastrin peptides are at various developmental stages and diseases expressed in pancreatic islets; also in human islets. Accordingly, bioactive gastrin and CCK peptides stimulate islet-cell growth as well as insulin and glucagon secretion. In view of their insulinotropic effects, gastrin and CCK peptides have come into focus as drug targets, either alone or in combination with other insulinotropic gut hormones or growth factors. So far, modified CCK and gastrin peptides are being examined as potential drugs for therapy of type 1 as well as type 2 diabetes mellitus.
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Affiliation(s)
- Jens F Rehfeld
- Department of Clinical Biochemistry, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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28
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Matthews JB. Vagal things and guitar strings: The evolution of ulcer surgery and the electric blues from Chicago's south side. Am J Surg 2019; 219:446-452. [PMID: 31630824 DOI: 10.1016/j.amjsurg.2019.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 10/03/2019] [Indexed: 11/19/2022]
Affiliation(s)
- Jeffrey B Matthews
- University of Chicago Medicine, Department of Surgery, The University of Chicago, MC 5029, 5841 S Maryland Avenue, Chicago, IL, 60637, USA.
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Lee L, Ramos-Alvarez I, Ito T, Jensen RT. Insights into Effects/Risks of Chronic Hypergastrinemia and Lifelong PPI Treatment in Man Based on Studies of Patients with Zollinger-Ellison Syndrome. Int J Mol Sci 2019; 20:ijms20205128. [PMID: 31623145 PMCID: PMC6829234 DOI: 10.3390/ijms20205128] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 10/08/2019] [Accepted: 10/13/2019] [Indexed: 02/07/2023] Open
Abstract
The use of proton pump inhibitors (PPIs) over the last 30 years has rapidly increased both in the United States and worldwide. PPIs are not only very widely used both for approved indications (peptic ulcer disease, gastroesophageal reflux disease (GERD), Helicobacter pylori eradication regimens, stress ulcer prevention), but are also one of the most frequently off-label used drugs (25–70% of total). An increasing number of patients with moderate to advanced gastroesophageal reflux disease are remaining on PPI indefinitely. Whereas numerous studies show PPIs remain effective and safe, most of these studies are <5 years of duration and little data exist for >10 years of treatment. Recently, based primarily on observational/epidemiological studies, there have been an increasing number of reports raising issues about safety and side-effects with very long-term chronic treatment. Some of these safety issues are related to the possible long-term effects of chronic hypergastrinemia, which occurs in all patients taking chronic PPIs, others are related to the hypo-/achlorhydria that frequently occurs with chronic PPI treatment, and in others the mechanisms are unclear. These issues have raised considerable controversy in large part because of lack of long-term PPI treatment data (>10–20 years). Zollinger–Ellison syndrome (ZES) is caused by ectopic secretion of gastrin from a neuroendocrine tumor resulting in severe acid hypersecretion requiring life-long antisecretory treatment with PPIs, which are the drugs of choice. Because in <30% of patients with ZES, a long-term cure is not possible, these patients have life-long hypergastrinemia and require life-long treatment with PPIs. Therefore, ZES patients have been proposed as a good model of the long-term effects of hypergastrinemia in man as well as the effects/side-effects of very long-term PPI treatment. In this article, the insights from studies on ZES into these controversial issues with pertinence to chronic PPI use in non-ZES patients is reviewed, primarily concentrating on data from the prospective long-term studies of ZES patients at NIH.
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Affiliation(s)
- Lingaku Lee
- Digestive Diseases Branch, NIDDK, NIH, Bethesda, MD 20892-1804, USA.
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka 812-8582, Japan.
| | | | - Tetsuhide Ito
- Neuroendocrine Tumor Centra, Fukuoka Sanno Hospital, International University of Health and Welfare 3-6-45 Momochihama, Sawara-Ku, Fukuoka 814-0001, Japan.
| | - Robert T Jensen
- Digestive Diseases Branch, NIDDK, NIH, Bethesda, MD 20892-1804, USA.
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30
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van Beek DJ, Nell S, Pieterman CRC, de Herder WW, van de Ven AC, Dekkers OM, van der Horst-Schrivers AN, Drent ML, Bisschop PH, Havekes B, Borel Rinkes IHM, Vriens MR, Valk GD. Prognostic factors and survival in MEN1 patients with gastrinomas: Results from the DutchMEN study group (DMSG). J Surg Oncol 2019; 120:966-975. [PMID: 31401809 PMCID: PMC6852496 DOI: 10.1002/jso.25667] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 07/28/2019] [Indexed: 12/17/2022]
Abstract
Background and objectives Gastrinomas are the most prevalent functioning neuroendocrine tumors (NET) in multiple endocrine neoplasia type 1 (MEN1). Guidelines suggest medical therapy in most patients, but surgery may be considered in a subgroup. Currently, factors to guide management are necessary. This population‐based cohort study assessed prognostic factors of survival in patients with MEN1‐related gastrinomas. Methods Patients with MEN1 having gastrinomas were identified in the Dutch MEN1 database from 1990 to 2014 based on fasting serum gastrin (FSG) levels and/or pathology. Predictors of overall survival were assessed using Cox regression. Results Sixty‐three patients with gastrinoma (16% of the MEN1 population) were identified. Five‐ and 10‐year overall survival rates were 83% and 65%, respectively. Prognostic factors associated with overall survival were initial FSG levels ≥20x upper limit of normal (ULN) (hazard ratio [HR], 6.2 [95% confidence interval, 1.7‐23.0]), pancreatic NET ≥2 cm (HR 4.5; [1.5‐13.1]), synchronous liver metastases (HR 8.9; [2.1‐36.7]), gastroduodenoscopy suspicious for gastric NETs (HR 12.7; [1.4‐115.6]), and multiple concurrent NETs (HR 5.9; [1.2‐27.7]). Conclusion Life expectancy of patients with MEN1 gastrinoma is reduced. FSG levels and pancreatic NETs ≥2 cm are prognostic factors. FSG levels might guide surveillance intensity, step‐up to additional diagnostics, or provide arguments in selecting patients who might benefit from surgery.
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Affiliation(s)
- Dirk-Jan van Beek
- Department of Endocrine Surgical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Sjoerd Nell
- Department of Endocrine Surgical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Carolina R C Pieterman
- Department of Endocrine Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Wouter W de Herder
- Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | | | - Olaf M Dekkers
- Departments of Endocrinology and Metabolism and Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Madeleine L Drent
- Department of Internal Medicine, Section of Endocrinology, Amsterdam UMC location, VU University Medical Center, Amsterdam, The Netherlands
| | - Peter H Bisschop
- Department of Endocrinology and Metabolism, Amsterdam UMC location Academic Medical Center, Amsterdam, The Netherlands
| | - Bas Havekes
- Department of Internal Medicine, Division of Endocrinology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Inne H M Borel Rinkes
- Department of Endocrine Surgical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Menno R Vriens
- Department of Endocrine Surgical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Gerlof D Valk
- Department of Endocrine Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
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Abstract
Pancreatic neuroendocrine tumors are a diverse group of neoplasms with a generally favorable prognosis. Although they exhibit indolent growth, metastases are seen in roughly 60% of patients. Pancreatic neuroendocrine tumors may produce a wide variety of hormones, which are associated with dramatic symptoms, but the majority are nonfunctional. The diagnosis and treatment of these tumors is a multidisciplinary effort, and management guidelines continue to evolve. This review provides a concise summary of the presentation, diagnosis, surgical management, and systemic treatment of pancreatic neuroendocrine tumors.
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Affiliation(s)
- Aaron T. Scott
- Department of Surgery, University of Iowa Carver College of Medicine
| | - James R. Howe
- Department of Surgery, University of Iowa Carver College of Medicine
- Division of Surgical Oncology and Endocrine Surgery
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32
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Zamir MA, Hakim W, Yusuf S, Thomas R. Imaging of Pancreatic-Neuroendocrine Tumours: An Outline of Conventional Radiological Techniques. Curr Radiopharm 2019; 12:135-155. [DOI: 10.2174/1874471012666190214165845] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 09/19/2018] [Accepted: 10/30/2018] [Indexed: 01/18/2023]
Abstract
IIntroduction:
Pancreatic Neuroendocrine Tumours (p-NETs) are an important disease entity
and comprise of peptide-secreting tumours often with a functional syndrome.
:
Accounting for a small percentage of all pancreatic tumours, they have a good overall survival rate
when diagnosed early, with surgery being curative. The role of nuclear medicine in the diagnosis and
treatment of these tumours is evident. However, the vast majority of patients will require extensive imaging
in the form of conventional radiological techniques. It is important for clinicians to have a fundamental
understanding of the p-NET appearances to aid prompt identification and to help direct management
through neoplastic staging.
Methods:
This article will review the advantages and disadvantages of conventional radiological techniques
in the context of p-NETs and highlight features that these tumours exhibit.
Conclusion:
Pancreatic neuroendocrine tumours are a unique collection of neoplasms that have markedly
disparate clinical features but similar imaging characteristics. Most p-NETs are small and welldefined
with homogenous enhancement following contrast administration, although larger and less welldifferentiated
tumours can demonstrate areas of necrosis and cystic architecture with heterogeneous
enhancement characteristics.
:
Prognosis is generally favourable for these tumours with various treatment options available. However,
conventional radiological techniques will remain the foundation for the initial diagnosis and staging of
these tumours, and a grasp of these modalities is extremely important for physicians.
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Affiliation(s)
- Muhammad Affan Zamir
- Hammersmith Hospital, Imperial College Healthcare NHS Trust, London W12 0HS, United Kingdom
| | - Wasim Hakim
- Hammersmith Hospital, Imperial College Healthcare NHS Trust, London W12 0HS, United Kingdom
| | - Siraj Yusuf
- Hammersmith Hospital, Imperial College Healthcare NHS Trust, London W12 0HS, United Kingdom
| | - Robert Thomas
- Hammersmith Hospital, Imperial College Healthcare NHS Trust, London W12 0HS, United Kingdom
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The Gastrinoma Saga Before Zollinger and Ellison: The Strøm Case Revisited. Ann Surg 2019; 270:e19-e21. [PMID: 31188205 DOI: 10.1097/sla.0000000000003261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Herga M, Gasparič A, Bitenc M, Pohar A, Likozar B. Development, optimization and scale-up of stereo-selective enzymatic Baeyer–Villiger oxidation of pyrmetazole to esomeprazole active ingredient in an industrial-scale slurry reactor. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2018.12.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Marx SJ, Goltzman D. Evolution of Our Understanding of the Hyperparathyroid Syndromes: A Historical Perspective. J Bone Miner Res 2019; 34:22-37. [PMID: 30536424 PMCID: PMC6396287 DOI: 10.1002/jbmr.3650] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 11/14/2018] [Accepted: 11/20/2018] [Indexed: 12/19/2022]
Abstract
We review advancing and overlapping stages for our understanding of the expressions of six hyperparathyroid (HPT) syndromes: multiple endocrine neoplasia type 1 (MEN1) or type 4, multiple endocrine neoplasia type 2A (MEN2A), hyperparathyroidism-jaw tumor syndrome, familial hypocalciuric hypercalcemia, neonatal severe primary hyperparathyroidism, and familial isolated hyperparathyroidism. During stage 1 (1903 to 1967), the introduction of robust measurement of serum calcium was a milestone that uncovered hypercalcemia as the first sign of dysfunction in many HPT subjects, and inheritability was reported in each syndrome. The earliest reports of HPT syndromes were biased toward severe or striking manifestations. During stage 2 (1959 to 1985), the early formulations of a syndrome were improved. Radioimmunoassays (parathyroid hormone [PTH], gastrin, insulin, prolactin, calcitonin) were breakthroughs. They could identify a syndrome carrier, indicate an emerging tumor, characterize a tumor, or monitor a tumor. During stage 3 (1981 to 2006), the assembly of many cases enabled recognition of further details. For example, hormone non-secreting skin lesions were discovered in MEN1 and MEN2A. During stage 4 (1985 to the present), new genomic tools were a revolution for gene identification. Four principal genes ("principal" implies mutated or deleted in 50% or more probands for its syndrome) (MEN1, RET, CASR, CDC73) were identified for five syndromes. During stage 5 (1993 to the present), seven syndromal genes other than a principal gene were identified (CDKN1B, CDKN2B, CDKN2C, CDKN1A, GNA11, AP2S1, GCM2). Identification of AP2S1 and GCM2 became possible because of whole-exome sequencing. During stages 4 and 5, the newly identified genes enabled many studies, including robust assignment of the carriers and non-carriers of a mutation. Furthermore, molecular pathways of RET and the calcium-sensing receptor were elaborated, thereby facilitating developments in pharmacotherapy. Current findings hold the promise that more genes for HPT syndromes will be identified and studied in the near future. © 2018 American Society for Bone and Mineral Research.
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Affiliation(s)
- Stephen J Marx
- Office of the Scientific Director, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - David Goltzman
- Calcium Research Laboratory, Metabolic Disorders and Complications Program, Research Institute of the McGill University Health Centre, Montreal, Canada
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36
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Waldum HL, Fossmark R. Types of Gastric Carcinomas. Int J Mol Sci 2018; 19:ijms19124109. [PMID: 30567376 PMCID: PMC6321162 DOI: 10.3390/ijms19124109] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 12/15/2018] [Accepted: 12/15/2018] [Indexed: 12/16/2022] Open
Abstract
Gastric cancer has reduced prevalence, but poor prognoses. To improve treatment, better knowledge of carcinogenesis and cells of origin should be sought. Stomach cancers are typically localized to one of the three mucosae; cardial, oxyntic and antral. Moreover, not only the stem cell, but the ECL cell may proliferate and give rise to tumours. According to Laurén, the classification of gastric carcinomas seems to reflect biological important differences and possible different cell of origin since the two subtypes, intestinal and diffuse, do not transform into the other and show different epidemiology. The stem cell probably gives rise to the intestinal type, whereas the ECL cell may be important in the diffuse type. Elevation of gastrin may be the carcinogenic factor for Helicobacter pylori as well as the recently described increased risk of gastric cancer due to proton pump inhibitor treatment. Therefore, it is essential to determine the role of the gastrin target cell, the ECL cell, in gastric carcinogenesis. Clinical trials with gastrin antagonists could improve prognoses in those with gastrin receptor positive tumours. However, further studies on gastric carcinomas applying relative available methods and with the highest sensitivity are warranted to improve our knowledge of gastric carcinogenesis.
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Affiliation(s)
- Helge L Waldum
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, 7006 Trondheim, Norway.
- Department of Gastroenterology and Hepatology, St. Olav's University Hospital, 7006 Trondheim, Norway.
| | - Reidar Fossmark
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, 7006 Trondheim, Norway.
- Department of Gastroenterology and Hepatology, St. Olav's University Hospital, 7006 Trondheim, Norway.
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37
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The contribution of women to pancreatic knowledge. GASTROENTEROLOGIA Y HEPATOLOGIA 2018; 42:65-71. [PMID: 30473404 DOI: 10.1016/j.gastrohep.2018.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 09/21/2018] [Indexed: 11/21/2022]
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38
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Abstract
Neuroendocrine tumours (NETs) are neoplasms that arise from neuroendocrine cells. Neuroendocrine cells and their tumours can secrete a wide range of amines and polypeptide hormones into the systemic circulation. This feature has triggered widespread investigation into circulating biomarkers for the diagnosis of NETs as well as for the prediction of the biological behaviour of tumour cells. Classic examples of circulating biomarkers for gastroenteropancreatic NETs include chromogranin A, neuron-specific enolase and pancreatic polypeptide as well as hormones that elicit clinical syndromes, such as serotonin and its metabolites, insulin, glucagon and gastrin. Biomarker metrics of general markers for diagnosing all gastroenteropancreatic NET subtypes are limited, but specific hormonal measurements can be of diagnostic value in select cases. In the past decade, methods for detecting circulating transcripts and tumour cells have been developed to improve the diagnosis of patients with NETs. Concurrently, modern scanning techniques and superior radiotracers for functional imaging have markedly expanded the options for clinicians dealing with NETs. Here, we review the latest research on biomarkers in the NET field to provide clinicians with a comprehensive overview of relevant diagnostic biomarkers that can be implemented in dedicated situations.
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Affiliation(s)
- Johannes Hofland
- ENETS Center of Excellence, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, Netherlands.
| | - Wouter T Zandee
- ENETS Center of Excellence, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, Netherlands
| | - Wouter W de Herder
- ENETS Center of Excellence, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, Netherlands
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39
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Abstract
This article reviews the role of surgical and medical management in patients with Zollinger-Ellison syndrome (ZES) due to a gastrin-secreting neuroendocrine tumor (gastrinoma). It concentrates on the status at present but also briefly reviews the changes over time in treatment approaches. Generally, surgical and medical therapy are complementary today; however, in some cases, such as patients with ZES and multiple endocrine neoplasia type 1, the treatment approach remains controversial.
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Affiliation(s)
- Jeffrey A Norton
- Department of Surgery, Stanford University School of Medicine, 291 campus Drive, Stanford, CA 94305-5101, USA
| | - Deshka S Foster
- Department of Surgery, Stanford University School of Medicine, 291 campus Drive, Stanford, CA 94305-5101, USA
| | - Tetsuhide Ito
- Neuroendocrine Tumor Centra, Fukuoka Sanno Hospital, International University of Health and Welfare, 3-6-45 Momochihama, Sawara-Ku, Fukuoka 814-0001, Japan
| | - Robert T Jensen
- Digestive Diseases Branch, NIDDK, National Institutes of Health, Building 10, Room 9C-103, Bethesda, MD 20892-1804, USA.
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40
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Abstract
The concept of neuroendocrine tumors (NETs) began in the 1900s with Oberndorfer's description of carcinoid tumors, followed by specific cytotoxic agents and the identification of somatostatin. NETs diagnosis was confirmed by World Health Organization classification. Histopathology included immunohistochemistry with specific antibodies. Imaging was refined with molecular imaging. Somatostatin is the leading agent for controlling clinical symptoms related to hormone production. Increasing interest in these tumors, previously thought rare, led to increased incidence and prevalence. Between 1960 and 1970, the true NET-concept was established with development of radioimmunoassays for peptides and hormones, and imaging with computerized tomography.
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Affiliation(s)
- Kjell Öberg
- Department of Endocrine Oncology, Uppsala University Hospital, Entrance 40:5, SE-75185, Uppsala, Sweden.
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41
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Miller CA. The history of the Central Surgical Association: Part one 1940-1968. Surgery 2018; 164:614-619. [PMID: 30087044 DOI: 10.1016/j.surg.2018.06.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 06/18/2018] [Indexed: 11/16/2022]
Affiliation(s)
- Craig A Miller
- Department of Vascular Surgery, Pardee University of North Carolina Health, Hendersonville.
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42
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Pipek LZ, Jardim YJ, Mesquita GHAD, Nii F, Medeiros KADA, Carvalho BJ, Martines DR, Iuamoto LR, Waisberg DR, D’Albuquerque LAC, Meyer A, Andraus W. Large primary hepatic gastrinoma in young patient treated with trisegmentectomy: A case report and review of the literature. World J Hepatol 2018; 10:517-522. [PMID: 30079138 PMCID: PMC6068851 DOI: 10.4254/wjh.v10.i7.517] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 04/25/2018] [Accepted: 05/31/2018] [Indexed: 02/06/2023] Open
Abstract
Primary hepatic gastrinoma is a rare disease, with fewer than 40 cases reported in the medical literature. Because it is located in an organ in which metastases are common, its diagnosis is difficult. We report a case of a 19 years old male patient with a history of gastric ulcers since the age of nine. Following gastric surgery, an antrectomy and a vagotomy, there was some alleviation of symptoms. Subsequently, the patient reported various intermittent episodes of diarrhea, diffuse abdominal pain, and vomiting. The patient underwent tomography, which revealed the presence of a hepatic mass measuring 19.5 cm × 12.5 cm × 17 cm. Primary hepatic gastrinoma was diagnosed based on laboratory examinations that indicated hypergastrinemia and a positron emission tomography/magnetic resonance study with somatostatin analogue that confirmed the liver as the primary site. After hepatic trisegmentectomy (II, III, IV, V, VIII), the patient’s symptoms improved. The case is notable for the presence of a rare tumor with uncommon dimensions.
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Affiliation(s)
| | - Yuri Justi Jardim
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo 05403, Brazil
- Program in Global Surgery and Social Change, Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA 02115, United States
| | | | - Fernanda Nii
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo 05403, Brazil
| | | | | | - Diego Ramos Martines
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo 05403, Brazil
| | | | - Daniel Reis Waisberg
- Departamento de Gastroenterologia, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403, Brazil
| | - Luiz Augusto Carneiro D’Albuquerque
- Departamento de Gastroenterologia, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403, Brazil
| | - Alberto Meyer
- Departamento de Gastroenterologia, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403, Brazil
| | - Wellington Andraus
- Departamento de Gastroenterologia, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403, Brazil
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43
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Abstract
Hypervascular pancreatic lesions/masses can arise due to a variety of causes, both benign and malignant, leading to a wide differential diagnosis. Accurate differentiation of these lesions into appropriate diagnoses can be challenging; however, this is important for directing clinical management. This manuscript provides a multimodality imaging review of hypervascular pancreatic lesion, with emphasis on an imaging-based algorithmic approach for differentiation of these lesions, which may serve as a decision support tool when encountering these uncommon lesions. Additionally, we stratify these lesions into three categories based on malignant potential, to help guide clinical management.
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Guarnotta V, Martini C, Davì MV, Pizza G, Colao A, Faggiano A. The Zollinger-Ellison syndrome: is there a role for somatostatin analogues in the treatment of the gastrinoma? Endocrine 2018; 60:15-27. [PMID: 29019150 DOI: 10.1007/s12020-017-1420-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 09/02/2017] [Indexed: 12/17/2022]
Abstract
PURPOSE Analyze the role of somatostatin analogues (SSAs) in the treatment of sporadic and MEN1-related gastrinomas, trying to define whether recent trials have changed the landscape of gastrinoma therapy. METHODS We evaluate the rationale of SSA use in the treatment of gastrinomas, summarize the current literature concerning the effect of SSAs on the control of Zollinger-Ellison syndrome (ZES) and gastrinomas tumor progression and discuss their role in the most recent guidelines. RESULTS The medical treatment of gastrinoma and related ZES is aimed at controlling acid hypersecretion and tumor progression, in inoperable patients. The use of proton pump inhibitors (PPIs) to control the syndrome is a cornerstone in the ZES therapy. SSAs are not usually indicated for antisecretory purpose, because PPIs are considered the treatment of choice, due to their long lasting high efficacy and oral availability. The antiproliferative effect of SSAs has been established by two placebo-controlled trials that have clearly demonstrated a significant increase in progression free survival in patients affected by non-functioning well-differentiated advanced neuroendocrine tumors (NETs). The recent ENETS guidelines recommend the use of SSAs in advanced well differentiated NETs as antiproliferative agents. CONCLUSIONS The high sstr-expression in gastrinomas make them highly responsive to SSAs and support the use of such drugs to counteract the tumour growth in patients not amenable to surgical cure. Unfortunately, limited data, mainly case reports or small series, support the use of SSAs in advanced gastrinomas, therefore, it is difficult to quantify their ability to control tumour growth and disease progression.
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Affiliation(s)
- Valentina Guarnotta
- Biomedical Department of Internal and Specialist Medicine (DIBIMIS), Section of Endocrine-Metabolic Diseases, University of Palermo, Palermo, Italy
| | - Chiara Martini
- Clinica Medica 3^, Department of Medicine, DIMED, University of Padova, Padova, Italy.
| | - Maria Vittoria Davì
- Section of Endocrinology, Medicina Generale e Malattie Aterotrombotiche e Degenerative, Department of Medicine, University of Verona, Verona, Italy
| | - Genoveffa Pizza
- Department of Clinical Medicine and Surgery, "Federico II" University of Naples, Naples, Italy
| | - Annamaria Colao
- Department of Clinical Medicine and Surgery, "Federico II" University of Naples, Naples, Italy
| | - Antongiulio Faggiano
- Thyroid and Parathyroid Surgery Unit, Istituto Nazionale per lo studio e la cura dei tumori "Fondazione G. Pascale" - IRCCS, Naples, Italy
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45
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Classification of Epithelial Malignant Tumors-the Differentiation Between Adenocarcinomas and Neuroendocrine Carcinomas: Why Rely on Nonspecific Histochemistry and Dismiss Specific Methods Like Immunohistochemistry and In Situ Hybridization? Appl Immunohistochem Mol Morphol 2018; 24:309-12. [PMID: 26067134 DOI: 10.1097/pai.0000000000000190] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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46
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Yuan S, Zhang ZW, Li ZL. Antacids' side effect hyperuricaemia could be alleviated by long-term aerobic exercise via accelerating ATP turnover rate. Biomed Pharmacother 2018; 99:18-24. [PMID: 29324308 DOI: 10.1016/j.biopha.2018.01.052] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 12/20/2017] [Accepted: 01/05/2018] [Indexed: 01/31/2023] Open
Abstract
Hyperuricemia is the term for an abnormally high serum uric acid level. Many factors contribute to hyperuricemia, however no definite correlation between proton pump inhibitors (PPIs) and hyperuricemia has been reported before. Physical exercise also decreases serum uric acid levels. However, the detailed biochemical-regulatory mechanisms remain unknown. Here we found that adenylate deaminase activities are much higher in hyperuricemia patients than in the healthy people. Therefore, the patients have higher levels of adenosine metabolites hypoxanthine and uric acid. Acid-inhibitory drugs (antacids) significantly increased serum uric acid level and may lead to gout in the hyperuricemia patient. Long-term aerobic exercise significantly increased serum phosphorus and decreased serum ATP and its metabolites, and therefore decreased serum uric acid. Antacids slow down the ATP turnover rate and result in serum uric acid elevation subsequently. While the long-term aerobic exercise decreases serum uric acid levels by accelerating ATP turnover rate. The results imply that long-term aerobic exercise may be a useful strategy to prevent and treat hyperuricaemia.
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Affiliation(s)
- Shu Yuan
- College of Resources, Sichuan Agricultural University, Chengdu, China.
| | - Zhong-Wei Zhang
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Zi-Lin Li
- Department of Internal Medicine, Xijing Hospital, Medical University of the Air Force, Xi'an, China
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47
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Abstract
Neuroendocrine tumours (NETs) are a heterogenous group of tumours arising from neuroendocrine cells in several sites around the body. They include tumours of the gastroenteropancreatic system, phaeochromocytoma and paraganglioma and medullary thyroid cancer. In recent years, it has become increasingly apparent that a number of these tumours arise as a result of germline genetic mutations and are inherited in an autosomal dominant pattern. The number of genes implicated is increasing rapidly. Identifying which patients are likely to have a germline mutation enables clinicians to counsel patients adequately about their future disease risk, and allows for earlier detection of at-risk patients through family screening. The institution of screening and surveillance programmes may in turn lead to a major shift in presentation patterns for some of these tumours. In this review, we examine the features which may lead a clinician to suspect that a patient may have an inherited cause of a NET and we outline which underlying conditions should be suspected. We also discuss what type of screening may be appropriate in a variety of situations.
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Affiliation(s)
- Triona O'Shea
- Centre of Endocrinology, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, UK.
| | - Maralyn Druce
- Centre of Endocrinology, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, UK
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48
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Affiliation(s)
- BRIAN D. GULBRANSEN
- Neuroscience Program and Department of Physiology, Michigan State University, East Lansing, Michigan
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Hagi T, Hosoda Y, Komoto I, Uemoto S, Hijioka S, Taki Y, Nishiyama K, Imamura M. A primary hepatic gastrinoma accompanied by hyperplasia of multi-nodular Brunner's glands. Surg Case Rep 2017; 3:118. [PMID: 29181825 PMCID: PMC5704026 DOI: 10.1186/s40792-017-0392-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 11/09/2017] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Primary hepatic gastrinoma causing severe ulcerogenic syndrome is extremely rare. Herein, we report a case of primary hepatic gastrinoma accompanied by hyperplasia of multi-nodular Brunner's glands in a patient who instead, preoperatively, was suspected of having multiple duodenal gastrinomas and hepatic metastasis. CASE PRESENTATION A 57-year-old woman consulted a clinic complaining of melena, intermittent abdominal pain, diarrhea, and vomiting which had persisted for about 3 years. Six months before her presentation, she underwent segmental resection of the jejunum for acute peritonitis due to the spontaneous jejunal perforation. A blood test revealed that her serum immunoreactive gastrin (IRG) level was 12,037 pg/mL. Subsequently, she was transferred to our hospital. On computed tomography (CT), a hypervascular tumor of 23 mm in the segment 5 (S5) region of the liver was visualized. A selective arterial secretagogue injection test (SASI test) was performed twice. The first SASI test revealed that the hepatic tumor was a gastrinoma, and there was no gastrinoma in the duodeno-pancreatic region. Additionally, somatostatin receptor scintigraphy only visualized the tumor in the liver. However, the second SASI test, which was performed during the administration of a proton pump inhibitor and a somatostatin analog (octreotide acetate), revealed that there may have been gastrinomas existing not only in the liver but also in the upper part of the duodenum or the head of the pancreas. Duodenal endoscopy revealed multiple submucosal tumors in the first and the second portion of the duodenum, although a pathological examination of biopsied specimens obtained from the duodenal lesions was negative for malignant cells. Multiple endocrine neoplasia type 1 (MEN1) was excluded from her family history, and serum levels of both intact parathyroid hormone (iPTH) and calcium were within normal ranges. An anterior segmentectomy of the liver and pancreas-preserving total duodenectomy were performed on September 9, 2013. Postoperatively, her serum immunoreactive gastrin level decreased to less than 50 pg/mL. Pathological study of the resected specimens revealed a gastrinoma in the liver, but no gastrinoma in the duodenum. Interestingly, the duodenal submucosal tumor-like lesions were hyperplastic Brunner's glands. Postoperatively, she has been well without recurrence of hypergastrinemia for 4 years. CONCLUSION We report a case of primary hepatic gastrinoma in a patient who has been cured for 4 years postoperatively. The diagnosis was somewhat difficult due to the coexisting, multiple hyperplastic Brunner's glands of the duodenum mimicking the submucosal neuroendocrine tumors, which might have developed due to long-term hypergastrinemia.
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Affiliation(s)
- Takaomi Hagi
- Department of Gastroenterological Surgery, Kansai Electric Power Hospital, 2-1-7 Fukushima, Fukushima-ku, Osaka, 553-0003, Japan.,Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yohei Hosoda
- Department of Gastroenterological Surgery, Kansai Electric Power Hospital, 2-1-7 Fukushima, Fukushima-ku, Osaka, 553-0003, Japan
| | - Izumi Komoto
- Department of Gastroenterological Surgery, Kansai Electric Power Hospital, 2-1-7 Fukushima, Fukushima-ku, Osaka, 553-0003, Japan.
| | - Shinji Uemoto
- Department of Hepato-Biliary-Pancreatic and Transplantation Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Susumu Hijioka
- Department of Gastroenterology, Aichi Cancer Center Hospital, Nagoya, Japan
| | - Yoshiro Taki
- Department of Gastroenterological Surgery, Kansai Electric Power Hospital, 2-1-7 Fukushima, Fukushima-ku, Osaka, 553-0003, Japan
| | - Kazuhiro Nishiyama
- Department of Gastroenterological Surgery, Kansai Electric Power Hospital, 2-1-7 Fukushima, Fukushima-ku, Osaka, 553-0003, Japan
| | - Masayuki Imamura
- Department of Gastroenterological Surgery, Kansai Electric Power Hospital, 2-1-7 Fukushima, Fukushima-ku, Osaka, 553-0003, Japan
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50
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Metz DC, Cadiot G, Poitras P, Ito T, Jensen RT. Diagnosis of Zollinger-Ellison syndrome in the era of PPIs, faulty gastrin assays, sensitive imaging and limited access to acid secretory testing. INTERNATIONAL JOURNAL OF ENDOCRINE ONCOLOGY 2017; 4:167-185. [PMID: 29326808 DOI: 10.2217/ije-2017-0018] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
In recent years the diagnosis of Zollinger-Ellison syndrome (ZES) has become increasingly controversial with several new approaches and criteria proposed, differing from the classical biochemical criterion of inappropriate hypergastrinemia (i.e., hypergastrinemia in the presence of hyperchlorhydria) (Table 1). These changes have come about because of the difficulty and potential dangers of stopping proton pump inhibitors (PPIs) for gastric acid analysis; the recognition than many of the current assays used to assess gastrin concentrations are unreliable; the development of sensitive imaging modalities that detect neuroendocrine tumors (NETs) including an increasing number of the primary gastrinomas; the increased use of percutaneous or endoscopic ultrasound (EUS)-directed biopsies/cytology and the general lack of availability of acid secretory testing. In this article we will discuss the basis for these controversies, review the proposed changes in diagnostic approaches and make recommendations for supporting the diagnosis of ZES in the modern era.
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Affiliation(s)
- David C Metz
- Division of Gastroenterology, Hospital of the University of Pennsylvania, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, PA, 19104, USA
| | - Guillaume Cadiot
- Service d"Hepato-Gastroenterologie, Centre Hospitalier Universitaire de Reims, Hopital Robert Debre, F-51092, Reims, France
| | - Pierre Poitras
- Department of Gastroenterology, CHUM, Université de Montréal, Montreal, Canada
| | - Tetsuhide Ito
- Neuroendocrine Tumor Centra, Fukuoka Sanno Hospital, International University of Health and Welfare 3-6-45 Momochihama, Sawara-Ku, Fukuoka 814-0001, Japan
| | - Robert T Jensen
- Digestive Diseases Branch, NIDDK, NIH, Bethesda, Maryland, 20817, USA
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