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Benign Lesions of the Stomach which Appeared Malignant.: An Analysis of Gastroscopic Findings of the Depressed Type by Gastric Biopsy H. Kuramata 1 , S. Unayama 1 , S. Eto 1 , A. Tsuboi 1 , K. Kazato 1 1Dept. of Endoscopy, Kanagawa Seijin-Byo Center pp.299-310
Published Date 1971/3/25
DOI https://doi.org/10.11477/mf.1403111510
  • Abstract
  • Look Inside

 Of 590 cases on which gastric biopsy under gastroscopic control have been performed, there were 28 cases of benign lesions which appeared falsely malignant on the gastroscopic examination. Thirteen cases of malignant lesions also gave us falsely negative findings. Most of benign lesions looking malignant were type Ⅱc or Ⅱc+Ⅲ. These gastroscopic findings in the depressed type of lesion were carefully analyzed using the results of gastric biopsy and/or of gastrectomy. And following differential diagnostic criteria were obtained.

 1. A shallow depression which has a stair-like boundary on its whole margin and partly altered as if eroded at the tips of the converging folds is the most important main finding in the diagnosis of cancer in type Ⅱc.

 2. Irregular shape of ulcer, its uneven bottom, granular or islet-like heave-up on the margin of ulcer, thin white coat, dark, bloody depression and loss of gloss of mucous membrane, etc are subfindings observed in both benign lesion and cancer.

 These subfindings unassociated with main finding are of least assistance in the diagnosis of cancer, so that above-mentioned main finding must always be looked for. Many a cancer case is definitely diagnosed by gastrocamera, but biopsy is a most important procedure far outweighing others in the diagnosis of gastric cancer.


Copyright © 1971, Igaku-Shoin Ltd. All rights reserved.

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

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