{"title":"巴雷特病流行病学;日本的肿瘤。","authors":"Katsunori Iijima","doi":"10.1159/000548362","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>With a 50-year delay compared to Europe and the USA, esophageal adenocarcinoma (EAC) began to increase in Japan around 2010, and it is expected to continue rising over the next few decades. This 50-year discrepancy is primarily attributable to variations in the timing of the decline in Helicobacter pylori infection rates across the two regions, with the extent of obesity in Japan also exerting an influence on the projected increase in EAC. Currently, the incidence of EAC in Japan is approximately one-tenth to one-twentieth that observed in Europe and the USA. However, ongoing monitoring is essential to assess the potential for escalation of this cancer. Accurate estimation of the incidence of EAC in Barrett's esophagus (BE), a precancerous condition of EAC, is imperative for the establishment of appropriate endoscopic surveillance for early cancer detection.</p><p><strong>Summary: </strong>The incidence of EAC in BE is largely determined by its length. In the Japanese population, BE with a length greater than 3 centimeters exhibits a high incidence of EAC and necessitates surveillance, while BE with a length less than 1 centimeter exhibits an exceptionally low incidence of EAC and is considered to require no surveillance. The challenge lies in determining the optimal approach for addressing BE with a length of 1-3 cm, which is observed in 5-15 percent of endoscopic examinees, necessitating careful consideration due to its significance.</p><p><strong>Key message: </strong>Since the EAC risk of BE varies greatly depending on its length, the need for surveillance and inspection intervals for BE in Japan should be defined by its length.</p>","PeriodicalId":11315,"journal":{"name":"Digestion","volume":" ","pages":"1-10"},"PeriodicalIF":3.6000,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Epidemiology of Barrett's Neoplasia in Japan.\",\"authors\":\"Katsunori Iijima\",\"doi\":\"10.1159/000548362\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>With a 50-year delay compared to Europe and the USA, esophageal adenocarcinoma (EAC) began to increase in Japan around 2010, and it is expected to continue rising over the next few decades. This 50-year discrepancy is primarily attributable to variations in the timing of the decline in Helicobacter pylori infection rates across the two regions, with the extent of obesity in Japan also exerting an influence on the projected increase in EAC. Currently, the incidence of EAC in Japan is approximately one-tenth to one-twentieth that observed in Europe and the USA. However, ongoing monitoring is essential to assess the potential for escalation of this cancer. Accurate estimation of the incidence of EAC in Barrett's esophagus (BE), a precancerous condition of EAC, is imperative for the establishment of appropriate endoscopic surveillance for early cancer detection.</p><p><strong>Summary: </strong>The incidence of EAC in BE is largely determined by its length. In the Japanese population, BE with a length greater than 3 centimeters exhibits a high incidence of EAC and necessitates surveillance, while BE with a length less than 1 centimeter exhibits an exceptionally low incidence of EAC and is considered to require no surveillance. The challenge lies in determining the optimal approach for addressing BE with a length of 1-3 cm, which is observed in 5-15 percent of endoscopic examinees, necessitating careful consideration due to its significance.</p><p><strong>Key message: </strong>Since the EAC risk of BE varies greatly depending on its length, the need for surveillance and inspection intervals for BE in Japan should be defined by its length.</p>\",\"PeriodicalId\":11315,\"journal\":{\"name\":\"Digestion\",\"volume\":\" \",\"pages\":\"1-10\"},\"PeriodicalIF\":3.6000,\"publicationDate\":\"2025-09-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Digestion\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.1159/000548362\",\"RegionNum\":3,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"GASTROENTEROLOGY & HEPATOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Digestion","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1159/000548362","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"GASTROENTEROLOGY & HEPATOLOGY","Score":null,"Total":0}
Background: With a 50-year delay compared to Europe and the USA, esophageal adenocarcinoma (EAC) began to increase in Japan around 2010, and it is expected to continue rising over the next few decades. This 50-year discrepancy is primarily attributable to variations in the timing of the decline in Helicobacter pylori infection rates across the two regions, with the extent of obesity in Japan also exerting an influence on the projected increase in EAC. Currently, the incidence of EAC in Japan is approximately one-tenth to one-twentieth that observed in Europe and the USA. However, ongoing monitoring is essential to assess the potential for escalation of this cancer. Accurate estimation of the incidence of EAC in Barrett's esophagus (BE), a precancerous condition of EAC, is imperative for the establishment of appropriate endoscopic surveillance for early cancer detection.
Summary: The incidence of EAC in BE is largely determined by its length. In the Japanese population, BE with a length greater than 3 centimeters exhibits a high incidence of EAC and necessitates surveillance, while BE with a length less than 1 centimeter exhibits an exceptionally low incidence of EAC and is considered to require no surveillance. The challenge lies in determining the optimal approach for addressing BE with a length of 1-3 cm, which is observed in 5-15 percent of endoscopic examinees, necessitating careful consideration due to its significance.
Key message: Since the EAC risk of BE varies greatly depending on its length, the need for surveillance and inspection intervals for BE in Japan should be defined by its length.
期刊介绍:
''Digestion'' concentrates on clinical research reports: in addition to editorials and reviews, the journal features sections on Stomach/Esophagus, Bowel, Neuro-Gastroenterology, Liver/Bile, Pancreas, Metabolism/Nutrition and Gastrointestinal Oncology. Papers cover physiology in humans, metabolic studies and clinical work on the etiology, diagnosis, and therapy of human diseases. It is thus especially cut out for gastroenterologists employed in hospitals and outpatient units. Moreover, the journal''s coverage of studies on the metabolism and effects of therapeutic drugs carries considerable value for clinicians and investigators beyond the immediate field of gastroenterology.