Problems of Group Classification (GC) for Gastric Biopsy Specimens―Results of a Questionnaire about the Problems of GC Shin-ichi Nakamura 1 , Tamotsu Sugai 1 , Yo Kato 2 1Department of Diagnostic Pathology, Iwate Medical University 2癌研究会研究所病理部 Keyword: gastric neoplasm , borderline neoplasm , gastric adenoma , Group Classification , Vienna Classification pp.1449-1455
Published Date 2004/10/25
DOI https://doi.org/10.11477/mf.1403100579
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 Group classifications (GC) for gastric biopsy specimensfirst appeared in 1971. Recently, differences between Japanese and Western pathologists regarding diagnoistic criteria for gastrointestinal epithelial neoplasia have given rise to controversy. The GC needs to be reviewed in light of its inherent problems, and its inconsistencies with the Vienna Classification (VC). Under these circumstances, opinions of Japanese pathologists about the above problems have been collected by an e-mail questionnaire using the internet. The questionnaire about the problems of GC resulted in the collated responses of 152 Japanese pathologists who most routinely used the GC. They complained about the unclear definition of Group III of the GC, and were positive about revising the GC to an internationally accepted form, but they had little interest in the VC.

 1) Department of Diagnostic Pathology, Iwate Medical University, Morioka, Japan

 2) Department of Pathology, Cancer Institute of Japanese Foundation for Cancer Research, Tokyo

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