Japanese

Tubular Adenoma and Differentiated Adenocarcinoma of the Stomach:Mutation-based Classification and Histogenesis Hirofumi Rokutan 1 1Department of Pathology, the University of Tokyo Hospital, Tokyo Keyword: 腸型腺腫 , 上皮内腫瘍 , 微小癌 , 良悪性 , ARID2 pp.1253-1259
Published Date 2021/9/25
DOI https://doi.org/10.11477/mf.1403202550
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 Differentiation between intestinal-type tubular adenoma and differentiated adenocarcinoma of the stomach is sometimes difficult, and the diagnostic criteria vary among institutions. Recently, we confirmed the indolent nature of GINs(gastric intramucosal neoplasias)harboring APC mutation and discovered that initial TP53 mutation frequently occurs in non-indolent GINs. The grade of histological atypia and potential of malignant progression differed between APC-mutants and TP53-mutants. Assessing mutations in APC and TP53 as well as the histological features associated with these mutations is important for GIN subclassification.


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