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Two Cases of a Specific Type of Gastric Polyposis S. Hirose 1 , S. Noguchi 1 , R. Yamada 1 , R. Nagashima 2 , S. Kimura 2 1The 2nd Dept. of Surgery, Faculty of Medicine, Osaka University 2Toyonaka Hospital pp.595-600
Published Date 1971/5/25
DOI https://doi.org/10.11477/mf.1403111612
  • Abstract
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 Gastric polyp was classified by Nakamura (1966) into four types, The second type was defined as following: multiple polyps developing in a part of the corpus adjacent to the pyloric gland region and having tips with engorged dimples. This variety of polyp is considered to have grown by the repetition of erosion and repair followed by reactive hyperplasia of the surrounding mucosa.

 In this paper are described two cases of this type of gastric polyposis recently experienced.

 Cases: Both Case 1 (a 62-year-old woman) and Case 2 (a 69-year-old man) had complained of pain and sensation of fullnes in the epigastrium. X-ray and endoscopic examinations of the stomach revealed in both cases many sessile polyps in the corpus and antrum. In the latter, a large filling defect was also recognized in the antrum. Accordingly, they were operated on under the diagnosis of gastric polyposis.

 Gross view of the resected specimens: Polyps were distributed in a V-like fashion along the border between the corpus (fundic gland region) and antrum (pyloric gland region), measuring 5 to 10 mm in diameter, round and sessile, with engorged dimples at the tip. In the second case, a large polyp that seemed to be fusion of several polyps was seen besides smaller ones on the posterior wall of the antrum.

 Histological findings: In both instances the muscularis mucosae was generally thick at the bases of all the polyps, some protruding well into the growths. It was clear that, though grossly sessile, these polyps had stalks histologically. Their central dimples were slightly eroded. A large part of the glandular epithelium were foveolar and the border region between the glands consisted of pseudopyloric glands and cysts. Epithelial cells of the polyps were neither atypical nor malignant.

 Both macroscopically and microscopically, the polyps in the present cases are considered to belong to the second type as classified by Nakamura.


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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