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Li Y, Hahn AI, Laszkowska M, Jiang F, Zauber AG, Leung WK. Clinicopathological Characteristics and Risk Factors of Young-Onset Gastric Carcinoma: A Systematic Review and Meta-analysis. Clin Transl Gastroenterol 2024; 15:e1. [PMID: 38717039 PMCID: PMC11196083 DOI: 10.14309/ctg.0000000000000714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 04/23/2024] [Indexed: 06/26/2024] Open
Abstract
INTRODUCTION The characteristics of gastric carcinoma in young individuals differ from that in older individuals. We conducted a systematic review and meta-analysis to explore the clinicopathological features and risk factors associated with young-onset (younger than 50 years) gastric carcinoma. METHODS We searched for studies published between January 1, 1990, and September 1, 2023, on patients with young-onset gastric carcinoma in PubMed, EMBASE, Web of Science, and MEDLINE to explore clinicopathological characteristics among this specific patient group. Extracted information included the proportion of patients with symptoms or family history of gastric cancer, tumor location, and histological features such as Lauren or World Health Organization histological classification and degree of differentiation. Additional analyses were conducted on risk factors such as positive family history, Helicobacter pylori infection, or high-risk nutritional or behavioral factors. The estimates were derived using random or fixed-effect models and included subgroup analyses based on different sex and age groups. This study was registered in PROSPERO (CRD42023466131). RESULTS We identified 5,696 records, 1,292 were included in the quality assessment stage. Finally, 84 studies from 18 countries or regions including 89,447 patients with young-onset gastric carcinoma were included. Young-onset gastric carcinoma has slight female predominance (53.7%, 95% confidence interval [CI]: 51.6-55.7%), with most having symptoms (87.0%, 95% CI: 82.4%-91.7%). Family history was reported in 12.1% (95% CI: 9.5%-14.7%). H. pylori infection was detected in 60.0% of cases (95% CI: 47.1%-72.8%). Most of these carcinomas were in the non-cardia region (89.6%, 95% CI: 82.4%-96.8%), exhibiting Lauren diffuse-type histology (71.1%, 95% CI: 66.8%-75.3%) and poor/undifferentiated features (81.9%, 95% CI%: 79.7-84.2%). A positive family history of gastric cancer was the most important risk factor associated with the development of gastric carcinoma in young individuals (pooled odds ratios 4.0, 95% CI: 2.8-5.2), followed by H. pylori infection (odds ratio 2.3; 95% CI: 1.4-3.2) and dietary and other lifestyle risk factors. DISCUSSION Young-onset gastric carcinoma exhibits specific clinicopathological characteristics, with positive family history being the most important risk factor. Most of the patients were symptomatic at diagnosis. These findings could help to inform future strategies for the early detection of gastric carcinoma among young individuals.
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Affiliation(s)
- Yunhao Li
- Department of Medicine, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China;
| | - Anne I. Hahn
- Department of Epidemiology & Biostatistics, Memorial Sloan Kettering Cancer Center, New York, USA
| | - Monika Laszkowska
- Gastroenterology, Hepatology, and Nutrition Service, Department of Subspecialty Medicine, Memorial Sloan Kettering Cancer Center, New York, USA.
| | - Fang Jiang
- Department of Medicine, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China;
| | - Ann G. Zauber
- Department of Epidemiology & Biostatistics, Memorial Sloan Kettering Cancer Center, New York, USA
| | - Wai K. Leung
- Department of Medicine, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China;
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Tian H, Liu Z, Liu J, Zong Z, Chen Y, Zhang Z, Li H. Application of machine learning algorithm in predicting distant metastasis of T1 gastric cancer. Sci Rep 2023; 13:5741. [PMID: 37029221 PMCID: PMC10082185 DOI: 10.1038/s41598-023-31880-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 03/20/2023] [Indexed: 04/09/2023] Open
Abstract
Distant metastasis (DM) is relatively uncommon in T1 stage gastric cancer (GC). The aim of this study was to develop and validate a predictive model for DM in stage T1 GC using machine learning (ML) algorithms. Patients with stage T1 GC from 2010 to 2017 were screened from the public Surveillance, Epidemiology and End Results (SEER) database. Meanwhile, we collected patients with stage T1 GC admitted to the Department of Gastrointestinal Surgery of the Second Affiliated Hospital of Nanchang University from 2015 to 2017. We applied seven ML algorithms: logistic regression, random forest (RF), LASSO, support vector machine, k-Nearest Neighbor, Naive Bayesian Model, Artificial Neural Network. Finally, a RF model for DM of T1 GC was developed. The AUC, sensitivity, specificity, F1-score and accuracy were used to evaluate and compare the predictive performance of the RF model with other models. Finally, we performed a prognostic analysis of patients who developed distant metastases. Independent risk factors for prognosis were analysed by univariate and multifactorial regression. K-M curves were used to express differences in survival prognosis for each variable and subvariable. A total of 2698 cases were included in the SEER dataset, 314 with DM, and 107 hospital patients were included, 14 with DM. Age, T-stage, N-stage, tumour size, grade and tumour location were independent risk factors for the development of DM in stage T1 GC. A combined analysis of seven ML algorithms in the training and test sets found that the RF prediction model had the best prediction performance (AUC: 0.941, Accuracy: 0.917, Recall: 0.841, Specificity: 0.927, F1-score: 0.877). The external validation set ROCAUC was 0.750. Meanwhile, survival prognostic analysis showed that surgery (HR = 3.620, 95% CI 2.164-6.065) and adjuvant chemotherapy (HR = 2.637, 95% CI 2.067-3.365) were independent risk factors for survival prognosis in patients with DM from stage T1 GC. Age, T-stage, N-stage, tumour size, grade and tumour location were independent risk factors for the development of DM in stage T1 GC. ML algorithms had shown that RF prediction models had the best predictive efficacy to accurately screen at-risk populations for further clinical screening for metastases. At the same time, aggressive surgery and adjuvant chemotherapy can improve the survival rate of patients with DM.
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Affiliation(s)
- HuaKai Tian
- Department of General Surgery, First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zitao Liu
- Department of Gastrointestinal Surgery, Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jiang Liu
- Department of Gastrointestinal Surgery, Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zhen Zong
- Department of Gastrointestinal Surgery, Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - YanMei Chen
- Department of General Surgery, First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zuo Zhang
- Department of Obstetrics and Gynecology, Second Affiliated Hospital of Nanchang University, 1 MinDe Road, Nanchang, 330006, China.
| | - Hui Li
- Department of Rheumatology and Immunology, First Affiliated Hospital of Nanchang University, Nanchang, 330006, China.
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Non-hereditary early onset gastric cancer: An unmet medical need. Curr Opin Pharmacol 2023; 68:102344. [PMID: 36608410 DOI: 10.1016/j.coph.2022.102344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 11/28/2022] [Accepted: 12/03/2022] [Indexed: 01/06/2023]
Abstract
Gastric cancer (GC) is a lethal disease and the diagnosis in the young population is a major challenge from both individual and social point of views. Early-onset GC accounts for ∼5% of GC; among them, 3% are part of a hereditary syndrome and the majority are sporadic. However, even if the early-onset forms were less frequent in the past, the increasing number in the last decades has improved the interest and awareness of them in the society and in the scientific community. In particular, the different behaviour and characteristics of early-onset GC suggest that it is a completely different entity, which requires a tailored and personalized management. Here we provide an updated overview about non-hereditary early-onset GC, which is an unmet clinical need today, along with future perspectives in this field.
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Kim YH, Jung YM, Park TY, Jeong SJ, Kim TH, Lee J, Park J, Kim TO, Park YE. Comparisons of pathologic findings and outcomes of gastric cancer patients younger and older than 40: a propensity score matching study in a single center of Korea. JGH Open 2023; 7:118-127. [PMID: 36852144 PMCID: PMC9958344 DOI: 10.1002/jgh3.12860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 10/18/2022] [Accepted: 01/01/2023] [Indexed: 01/17/2023]
Abstract
Background and Aim Gastric cancer (GC) is one of the most common cancers worldwide, with a high incidence rate in Korean men. However, comparative studies are scarce on the pathologic findings and treatment effects of GC in patients aged less than 40 years. We evaluated the characteristics and pathologic findings of GC patients aged younger and older than 40 years. Methods We retrospectively analyzed 2307 patients diagnosed with GC between January 2010 and May 2018. Eighty-eight (3.8%) and 2219 (96.2%) patients were younger and older than 40 years, respectively. The patients were divided into younger (n = 70) and older (n = 62) age groups through propensity matching. Results Overall, compared to the younger group, the older group (n = 2219) had a significantly higher proportion of male patients (66.7% vs 39.8%; P < 0.001) and patients who underwent endoscopic submucosal dissection (ESD) (2.3% vs 23.1%; P < 0.001). However, young patients more often underwent operations compared to older patients (78.4% vs 60.1%; P = 0.001). In the propensity-matched group, older patients more often showed differentiated carcinoma, including well-differentiated (5.7% vs 11.3%) and moderately differentiated (1.4% vs 32.3%). However, younger patients more often showed signet ring cell carcinoma (SRC) (70.0% vs 25.8%). In multivariate analysis, Helicobacter pylori infection (odds ratio, 12.643; 95% confidence interval, 1.068-1449.665; P = 0.044) independently correlated with SRC risk. Conclusions Patients below 40 years were more likely to undergo surgery compared to ESD, and pathologic findings were more common in SRC. Therefore, more active screening and H. pylori eradication are needed even in patients aged less than 40 years.
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Affiliation(s)
- Yo H Kim
- Division of Gastroenterology, Department of Internal MedicineInje University School of Medicine, Haeundae Paik HospitalBusanRepublic of Korea
| | - Yu M Jung
- Division of Gastroenterology, Department of Internal MedicineInje University School of Medicine, Haeundae Paik HospitalBusanRepublic of Korea
| | - Tae Y Park
- Division of Gastroenterology, Department of Internal MedicineInje University School of Medicine, Haeundae Paik HospitalBusanRepublic of Korea
| | - Su J Jeong
- Division of Gastroenterology, Department of Internal MedicineInje University School of Medicine, Haeundae Paik HospitalBusanRepublic of Korea
| | - Tae H Kim
- Division of Gastroenterology, Department of Internal MedicineInje University School of Medicine, Haeundae Paik HospitalBusanRepublic of Korea
| | - Jin Lee
- Division of Gastroenterology, Department of Internal MedicineInje University School of Medicine, Haeundae Paik HospitalBusanRepublic of Korea
| | - Jongha Park
- Division of Gastroenterology, Department of Internal MedicineInje University School of Medicine, Haeundae Paik HospitalBusanRepublic of Korea
| | - Tae O Kim
- Division of Gastroenterology, Department of Internal MedicineInje University School of Medicine, Haeundae Paik HospitalBusanRepublic of Korea
| | - Yong E Park
- Division of Gastroenterology, Department of Internal MedicineInje University School of Medicine, Haeundae Paik HospitalBusanRepublic of Korea
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Wu SL, Zhang Y, Fu Y, Li J, Wang JS. Gastric cancer incidence, mortality and burden in adolescents and young adults: a time-trend analysis and comparison among China, South Korea, Japan and the USA. BMJ Open 2022; 12:e061038. [PMID: 35863834 PMCID: PMC9310161 DOI: 10.1136/bmjopen-2022-061038] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVES To evaluate and compare the burden of gastric cancer in adolescents and young adults (GCAYA) among China, South Korea, Japan and the USA, four countries with similar or different rates of gastric cancer (GC) incidence, development levels and cancer control strategies. DESIGN This population-based observational study collected the epidemiological data of GCAYA from the Global Burden of Diseases Study 2019. The trend magnitude and directions over time for incidence and mortality of GCAYA were analysed and compared among four countries. MAIN OUTCOMES AND MEASURES Outcomes included new cases, deaths, mortality-to-incidence ratios (MIRs), disability-adjusted life years, and their age-standardised rates and estimated annual percentage changes (AAPCs). RESULTS There were 49 008 new cases and 27 895 deaths from GCAYA in 2019, nearly half of which occurred in China. The AAPCs for the age-standardised incidence and mortality rate were 0.3 (-0.1 to 0.7), -3.6 (-3.7 to -3.4), -3.2 (-3.8 to -2.6), -0.1 (-0.6 to 0.5) and -2.0 (-2.3 to -1.6), -5.6 (-6.2 to -5.0), -4.4 (-4.7 to -4.1), -0.7 (-1.0 to -0.3) in China, South Korea, Japan and the USA, respectively. The incidence rate for females in the USA rose by 0.4% annually. GC ranks fifth, first, fourth and ninth in China, South Korea, Japan and the USA regarding burdens caused by cancer in adolescents and young adults. The MIRs declined constantly in South Korea and China, and the MIR in the USA became the highest in 2019. CONCLUSIONS Although not covered by prevention and screening programmes, variations in disease burden and time trends may reflect variations in risk factors, cancer control strategies and treatment accessibility of GC among the four countries. Investigating the reasons behind the varying disease burden and changing trends of GCAYA across countries will inform recommendations for prevention measures and timely diagnosis specific to this underserved population to further decrease the GC burden.
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Affiliation(s)
- Si Lin Wu
- School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Yao Zhang
- Department of General Surgery, The Third Hospital of Mianyang, Sichuan Mental Health Center, Mianyang, Sichuan, China
| | - Yi Fu
- Department of General Surgery, The Third Hospital of Mianyang, Sichuan Mental Health Center, Mianyang, Sichuan, China
| | - Jian Li
- Department of General Surgery, The Third Hospital of Mianyang, Sichuan Mental Health Center, Mianyang, Sichuan, China
| | - Ji Sheng Wang
- Department of Pharmacy, The Third Hospital of Mianyang, Sichuan Mental Health Center, Mianyang, Sichuan, China
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Zhu H, Wang G, Zheng J, Zhu H, Huang J, Luo E, Hu X, Wei Y, Wang C, Xu A, He X. Preoperative prediction for lymph node metastasis in early gastric cancer by interpretable machine learning models: A multicenter study. Surgery 2022; 171:1543-1551. [DOI: 10.1016/j.surg.2021.12.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 12/09/2021] [Accepted: 12/10/2021] [Indexed: 12/24/2022]
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Clinicopathological features and lymph node metastasis risk in early gastric cancer with WHO criteria in China: 304 cases analysis. Ann Diagn Pathol 2020; 50:151652. [PMID: 33157382 DOI: 10.1016/j.anndiagpath.2020.151652] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 08/25/2020] [Accepted: 09/14/2020] [Indexed: 12/19/2022]
Abstract
AIMS The aim of this research was to identify the clinicopathological characteristics of early gastric cancer (EGC) based on the WHO criteria, and to analyze predictors for lymph node metastasis (LNM) in EGC in a Chinese study population. METHODS We retrospectively collected data of 304 Chinese EGC patients, including 265 patients undergoing radical gastrectomy and 39 patients undergoing endoscopic resection. Histological features were accessed by three experienced pathologists. Univariate analysis and multivariate analysis were used to identify the correlation between clinicopathological features and LNM. RESULTS Among the 304 cases with EGC, the rate of well differentiated tubular adenocarcinoma was 11.2%, significantly lower than that of Japanese and South Korean, which was 24.8% and 19.9% respectively (p<0.001 and p = 0.006), but similar to that of a Western result, which was 11.9% (p = 0.860). Among the 265 patients who underwent gastrectomy, 18.5% of the patients had LNM. Univariate analysis showed that macroscopic type, differentiation degree, invasion depth, infiltration pattern (INF), lymphovascular invasion and ulceration were related to LNM. Multivariate analysis revealed that lymphovascular invasion (p < 0.001, OR = 6.549), ulceration (p = 0.035, OR = 2.527) and INF c (p = 0.042, OR = 3.424) were the independent risk factors of LNM in EGC. CONCLUSIONS The pathological diagnosis standard of well differentiated tubular adenocarcinoma in China significantly differs from that in Japan and South Korea, but is similar to western countries. LNM is more likely to occur in EGCs with lymphovascular invasion, ulceration and INF c.
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Gastric Cancer in Young Adults: A Different Clinical Entity from Carcinogenesis to Prognosis. Gastroenterol Res Pract 2020; 2020:9512707. [PMID: 32190044 PMCID: PMC7071806 DOI: 10.1155/2020/9512707] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 02/13/2020] [Indexed: 02/07/2023] Open
Abstract
Approximately 5.0% of gastric cancer (GC) patients are diagnosed before the age of 40 and are not candidates for screening programs in most countries and regions. The incidence of gastric cancer in young adults (GCYA) has declined over time in most countries except in the United States. Genetic alterations, environmental factors, and lifestyle may predispose some young adults to GC. According to molecular classifications, the cancer of most GCYA patients belongs to the genomically stable or microsatellite stable/epithelial-mesenchymal transition subtype, with the common genetic aberrations being mutations in CDH1. What characterizes GCYA are a higher prevalence in females, more aggressive tumor behaviors, diagnosis at advanced stages, fewer comorbidities and being better treatment candidates, and a similar or better survival outcome when compared with older patients. Considering the greater loss of life-years in younger patients, lowering the incidence of GC and diagnosing at a relatively early stage are the two most effective ways to decrease GC mortality. To achieve these goals, the low awareness of GCYA among general people, policy-makers, clinicians, and researchers should be changed.
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Kono Y, Kanzaki H, Tsuzuki T, Takatani M, Nasu J, Kawai D, Takenaka R, Tanaka T, Iwamuro M, Kawano S, Kawahara Y, Fujiwara T, Okada H. A multicenter observational study on the clinicopathological features of gastric cancer in young patients. J Gastroenterol 2019; 54:419-426. [PMID: 30374622 DOI: 10.1007/s00535-018-1525-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2018] [Accepted: 10/23/2018] [Indexed: 02/04/2023]
Abstract
BACKGROUND The details of gastric cancer in young patients remain unclear because of the low prevalence of the disease. This study aimed to clarify the clinicopathological features and prognosis of gastric cancer in young patients. METHODS From January 2007 to January 2016, patients in their 20s and 30s who were diagnosed with primary gastric cancer at 4 hospitals were enrolled. Their clinical characteristics and prognosis were evaluated. RESULTS The total number of patients was 72. The median age was 36 years, and the ratio of males to females was 1:1. The dominant histological type was undifferentiated type (66/72, 92%). Helicobacter pylori (H. pylori) was positive in 81% (54/67). Although there were some asymptomatic patients in stages I-III, all stage IV patients had some clinical symptoms at the diagnosis. The percentage of stage IV was significantly higher in patients in their 20s than in those in their 30s (75% vs. 25%, P < 0.001). The Kaplan-Meier method showed that the overall survival of patients in their 20s was significantly lower than that of patients in their 30s (P = 0.037). CONCLUSIONS A high rate of H. pylori infection was revealed in young gastric cancer patients. The patients in their 20s had a worse prognosis than those in their 30s. We should consider examining the H. pylori infection status for young patients as well as older patients to identify high-risk populations.
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Affiliation(s)
- Yoshiyasu Kono
- Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan.
| | - Hiromitsu Kanzaki
- Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Takao Tsuzuki
- Department of Internal Medicine, Japanese Red Cross Society Himeji Hospital, Himeji, Japan
| | - Masahiro Takatani
- Department of Internal Medicine, Japanese Red Cross Society Himeji Hospital, Himeji, Japan
| | - Junichirou Nasu
- Department of Internal Medicine, Okayama Saiseikai General Hospital, Okayama, Japan
| | - Daisuke Kawai
- Department of Internal Medicine, Tsuyama Chuo Hospital, Tsuyama, Japan
| | - Ryuta Takenaka
- Department of Internal Medicine, Tsuyama Chuo Hospital, Tsuyama, Japan
| | - Takehiro Tanaka
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Masaya Iwamuro
- Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Seiji Kawano
- Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Yoshiro Kawahara
- Department of Endoscopy, Okayama University Hospital, Okayama, Japan
| | - Toshiyoshi Fujiwara
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Hiroyuki Okada
- Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
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Li H, Huo ZB, Kong FT, He QQ, Gao YH, Liang WQ, Liu DX. Predictive factors for lymph node metastasis and defining a subgroup treatable for laparoscopic lymph node dissection after endoscopic submucosal dissection in poorly differentiated early gastric cancer. World J Gastrointest Oncol 2018; 10:360-366. [PMID: 30364712 PMCID: PMC6198299 DOI: 10.4251/wjgo.v10.i10.360] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 08/24/2018] [Accepted: 08/28/2018] [Indexed: 02/05/2023] Open
Abstract
AIM To investigate the predictive factors of lymph node metastasis (LNM) in poorly differentiated early gastric cancer (EGC); to guide the individual application of a combination of endoscopic submucosal dissection (ESD) and laparoscopic lymph node dissection (LLND) in a suitable subgroup of patients with poorly differentiated EGC.
METHODS We retrospectively analyzed 138 patients with poorly differentiated EGC who underwent gastrectomy with lymphadenectomy between January 1990 and December 2015. The association between the clinicopathological factors and the presence of LNM was retrospectively analyzed by univariate and multivariate logistic regression analyses. Odds ratios (OR) with 95% confidence interval (95%CI) were calculated. We further examined the relationship between the positive number of the significant predictive factors and the LNM rate.
RESULTS The tumor diameter (OR = 13.438, 95%CI: 1.773-25.673, P = 0.029), lymphatic vessel involvement (LVI) (OR = 38.521, 95%CI: 1.975-68.212, P = 0.015) and depth of invasion (OR = 14.981, 95%CI: 1.617-52.844, P = 0.024) were found to be independent risk factors for LNM by multivariate analysis. For the 138 patients diagnosed with poorly differentiated EGC, 21 (15.2%) had LNM. For patients with one, two and three of the risk factors, the LNM rates were 7.7%, 47.6% and 64.3%, respectively. LNM was not found in 77 patients that did not have one or more of the three risk factors.
CONCLUSION ESD might be sufficient treatment for intramucosal poorly differentiated EGC if the tumor is less than or equal to 2 cm in size and when LVI is absent upon postoperative histological examination. ESD with LLND may lead to the elimination of unnecessary gastrectomy in poorly differentiated EGC.
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Affiliation(s)
- Hua Li
- Department of Surgical Oncology, Xing Tai People Hospital, Xingtai 054001, Hebei Province, China
| | - Zhi-Bin Huo
- Department of Surgical Oncology, Xing Tai People Hospital, Xingtai 054001, Hebei Province, China
| | - Fan-Ting Kong
- Department of Surgical Oncology, Xing Tai People Hospital, Xingtai 054001, Hebei Province, China
| | - Qing-Qiang He
- Department of Surgical Oncology, Xing Tai People Hospital, Xingtai 054001, Hebei Province, China
| | - Yun-He Gao
- Department of General Surgery, Chinese People’s Liberation Army General Hospital, Beijing 100853, China
| | - Wen-Quan Liang
- Department of General Surgery, Chinese People’s Liberation Army General Hospital, Beijing 100853, China
| | - Deng-Xiang Liu
- Institute of Cancer Control, Xing Tai People Hospital, Xingtai 054001, Hebei Province, China
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Pyo JH, Lee H, Min YW, Min BH, Lee JH, Kim KM, Yoo H, Kim K, Choi YH, Kim JJ, Kim S. Young Age and Risk of Lymph Node Metastasis in Differentiated Type Early Gastric Cancer. Ann Surg Oncol 2018; 25:2713-2719. [PMID: 30006689 DOI: 10.1245/s10434-018-6659-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Indexed: 01/23/2023]
Abstract
BACKGROUND Young patients with gastric cancer reportedly have a worse prognosis than older patients due to delayed diagnosis and more aggressive tumor behavior. However, it is unclear whether this applies to early gastric cancer (EGC), for which endoscopic resection is indicated. We investigated the association between age and lymph node metastasis (LNM). METHODS We identified 4055 patients diagnosed with EGC of differentiated histology who underwent surgery. The association between age and LNM was examined using logistic regression for each T stage separately with adjustments for multiple covariates. We compared LNM rates for each of the Japanese Endoscopic Resection Guidelines criteria in younger (< 40 years) and older patients (40 years). RESULTS The median number of lymph nodes examined was the same for T1a and T1b stages (n = 34). The median number of lymph nodes examined was not significantly different within T1a stage (P = 0.093), but within T1b stage, the number of lymph nodes examined was significantly different (P = 0.019). The highest number was between 50 and 59 years (median = 37), and the lowest number was in the 20 to 49 years and older than 70 age brackets (median = 34). LNM rate and age were not significantly associated within each stage (P values 0.269, 0.783 for T1a and T1b, respectively). Among patients fulfilling endoscopic resection criteria, the LNM rate in younger patients was lower than in older patients. CONCLUSIONS In differentiated-type EGC, young age at diagnosis was not associated with LNM rate. Therefore, endoscopic resection criteria for early gastric cancer can be applied to younger patients.
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Affiliation(s)
- Jeung Hui Pyo
- Center for Health Promotion, Samsung Medical Center, Seoul, Republic of Korea
| | - Hyuk Lee
- Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
| | - Yang Won Min
- Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Byung-Hoon Min
- Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Jun Haeng Lee
- Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Kyoung-Mee Kim
- Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Heejin Yoo
- Statistics and Data Center, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Republic of Korea
| | - Kyunga Kim
- Statistics and Data Center, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Republic of Korea
| | - Yoon-Ho Choi
- Center for Health Promotion, Samsung Medical Center, Seoul, Republic of Korea
| | - Jae J Kim
- Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Sung Kim
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
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Li J, Perez Perez GI. Is There a Role for the Non- Helicobacter pylori Bacteria in the Risk of Developing Gastric Cancer? Int J Mol Sci 2018; 19:E1353. [PMID: 29751550 PMCID: PMC5983810 DOI: 10.3390/ijms19051353] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 04/26/2018] [Accepted: 04/27/2018] [Indexed: 02/07/2023] Open
Abstract
Helicobacter pylori is the most abundant bacterium in the gastric epithelium, and its presence has been associated with the risk of developing gastric cancer. As of 15 years ago, no other bacteria were associated with gastric epithelial colonization; but thanks to new methodologies, many other non-H. pylori bacteria have been identified. It is possible that non-H. pylori may have a significant role in the development of gastric cancer. Here, we discuss the specific role of H. pylori as a potential trigger for events that may be conducive to gastric cancer, and consider whether or not the rest of the gastric microbiota represent an additional risk in the development of this disease.
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Affiliation(s)
- Jackie Li
- Department of Medicine, New York University School of Medicine, New York, NY 10016, USA.
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