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Gastric Lesions Resembling Early Gastric Cancer Discussed from Macroscopical and Histological Standpoint Takahiro Yoshii 1 1Dept. of Pathogogy, Nippon Medical School pp.335-341
Published Date 1971/3/25
DOI https://doi.org/10.11477/mf.1403111513
  • Abstract
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 One or two representative cases, chosen from gastric lesions resembling various types of cancer, are discussed from macroscopical and histological stanolpoint.

 Case 1 is an irregularly lobulated adenomatous polyp measuring 4.5 cm in the greatest diameter, resembling type Ⅰ early gastric cancer. Case 2 is a pedunculated polypous projection of uneven surface, measuring 2 cm in diameter, also resembling type Ⅰ. Histologically, the lesion was eosinophilic granuloma. Both Case 3 and Case 4 are mild mucosal elevations looking like type Ⅱa. Histologically, they were caused by hyperplasia of atypical mucosal epithelial cells suspected to have been formed after erosion as regenerative hyperplasia. Case 5 is a lesion suspected as type Ⅱ because of marked irregularity of the areae gastricae resulting from healing multiple erosions. Case6 concerns with a suspect of Ⅱc because of Ⅱc-like depression formed by a shallow peptic ulcer accompanied by a flat erosion. Case 7 is a lesion showing Ⅱc-like depression. Histologically, it was a healed erosion associated with marked atrophic gastritis sharply localized within the antrum.

Case 8 is a small healing ulcer having exaggerated convergency of folds noted in the fundal gland area. Such a lesion quite often simulates a small Ⅱc of the gastric body. Case 9 belongs to multicentric leiornyosarcomas resembling Ⅱa+Ⅱc scattered in the fundal gland area. This is a very rare case. Cases 10 and 11 are large, irregularly shaped “takoibo” (sucker disc of octopus) erosions resembling type Ⅱa+Ⅱc. Case 12 is a lesion showing irregular erosion accompanied by a few small sessile projections of the mucosa. It was suspected as a Ⅱc+Ⅱa of atypical type, but later proved to be tuberculous histologically. Case 14 is a lesion suspected as Ⅱc+Ⅲ, but was found to be lymphoid hyperplasia histologically. Case 15 is a healed linear ulcer looking like Ⅱc+Ⅲ. Case 16 is a peptic ulcer surrounded with a narrow zone of erosions suspicious of Case 17 shows three healed peptic ulcers located symmetrically on the anterior and posterior walls. Macroscopically they quite resemble one another. However, the lesion on the anterior wall was cancer (Ⅲ+Ⅱc) while the other two on the posterior wall were benign ulcers.


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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