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Practical Classifications of Gastric Carcinomas Ryoji Kushima 1 1Department of Clinical Laboratory Medicine, Shiga University of Medical Science, Otsu, Japan Keyword: 低異型度 , 高異型度 , 超高分化 , 形質発現 pp.15-26
Published Date 2017/1/25
DOI https://doi.org/10.11477/mf.1403200808
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 Gastric tumors are histologically classified according to the Japanese Classification of Gastric Carcinoma or the WHO Classification of the Digestive System. From the histogenetic point of view, they are subdivided into differentiated and undifferentiated types of carcinomas(Lauren or Sugano/Nakamura Classification). In Japan, additional classifications focusing on the degree of nuclear atypia or phenotypic expressions(gastric, intestinal, and mixed type)of gastric tumors are being considered, particularly for early lesions and for comparing the histopathological and endoscopic findings. There are unique diagnostic terms, such as shaking-hand(crawling)-type, fundic-gland-type, or fundic-gland mucosal-type tumors. Adenoma-associated lesions are also encountered. The importance of these classifications increases particularly due to the advancements in the field of magnifying endoscopy. Practical classifications of gastric carcinomas were reviewed to compare the differences in diagnostic criteria or styles of pathologists in Japan and western countries.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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