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Japanese

Pathological Differential Diagnosis of Adenoma and Differentiated-type Adenocarcinoma of the Stomach: Gastric Adenoma with an Intestinal Phenotype Ryosuke Gushima 1,2 , Takashi Yao 1 1Department of Human Pathology, Juntendo University Graduate School of Medicine, Tokyo 2Department of Gastroenterology and Hepatology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan Keyword: 胃腺腫 , 分化型癌 , 腸型形質 , Ki-67 , Adipophilin pp.1827-1836
Published Date 2014/12/25
DOI https://doi.org/10.11477/mf.1403200108
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 Most gastric adenomas express an intestinal phenotype. It is difficult for general pathologists to make a differential diagnosis between adenoma and differentiated-type adenocarcinoma with an intestinal phenotype. The aim of this study was to clarify the clinicopathological and immunohistochemical features between adenoma and differentiated-type adenocarcinoma with an intestinal phenotype. We studied 63 gastric adenoma lesions, 50 low-grade gastric adenocarcinoma lesions, and 43 high-grade gastric adenocarcinoma lesions. No significant differences were observed in the clinicopathological and immunohistochemical features between gastric adenomas and low-grade gastric adenocarcinomas. It is important to consider the nuclear shape, nucleus−cytoplasm ratio, and disorder in polarity to make a differential diagnosis between gastric adenoma and differentiated-type gastric adenocarcinoma.


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

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