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HAC(hepatoidadenocarcinoma)and ACED(adenocarcinoma with enteroblastic differentiation) Takashi Yao 1 , Yoichi Akazawa 1,2 , Takashi Murakami 2 , Tsuyoshi Saito 1 1Department of Human Pathology, Juntendo University Graduate School of Medicine, Tokyo 2Department of Gastroenterology, Juntendo University School of Medicine, Tokyo Keyword: 肝様腺癌 , 胎児消化管類似癌 , AFP産生胃癌 , Glypican 3 , SALL4 pp.746-751
Published Date 2018/5/24
DOI https://doi.org/10.11477/mf.1403201371
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 HAC(hepatoid adenocarcinoma)and ACED(adenocarcinoma with enteroblastic differentiation)have been identified as histological types representative of AFP(alpha-fetoprotein)-producing gastric carcinomas. In adition to AFP, new fetal gut epithelial markers(Glypican3 and SALL4)became available ; therefore, the diagnostic criteria for ACED has become clearer, allowing to determine that at least some HACs and AFP-negative HAC-like solid carcinomas can be classified as ACED. Moreover, it has become clear that both HAC and ACED often co-exist, displaying an aggressive biological behavior. When treating gastric carcinoma, these special HAC and ACED subtypes should be considered. The significance of distinguishing between HAC and ACED upon histological classification of gastric carcinoma should be further discussed.


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

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