Japanese

A Case of Early Gastric Cancer of Superficial Flat Type (IIb Subtype) on the Greater Curvature Side of the Middle Body K. Ikeda 1 1Dept. of Surgery, Saisei-kai Fukuoka General Hospital pp.1241-1246
Published Date 1973/9/25
DOI https://doi.org/10.11477/mf.1403108555
  • Abstract
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 Case: a man 67 years of age.

 Chief complaint: none.

 At a periodic check-up of his health, an abnormality was noticed during fluoroscopy on the greater curvature side of the mid-body. Subsequent workup led us to suspect either IIc or IIb-like lesion in the above location together with a suspicion of IIa type early cancer directly below the cardia. Until we were able to obtain the results of biopsy, it was hard to distinguish the lesion in the mid-body from a picture of gastritis. Gross observation of the excised stomach prevented us from discriminating this lesion, considered to represent the chief cancer lesion, from the surrounding mucosa. Findings of both x-ray and endoscopy were more helpful in locating cancer nests.

 Histologically, the lesion in the mid-body extended to both walls, occupying an area measuring about 5.3 by 3.2 cm, with the greater curvature side of the mid-body as its central location. The depth invasion was mostly confined to m, with slight partial involvement of sm. It was well-differentiated tubular adenocarcinoma. The elevation just below the cardiac segment proved to be submucosal aberration of the proper gastric glands. This fact made us keenly aware of the need of close-up observation and close-up biopsy of lesions not only in or near the pylorus but also in the cardiac portion. Many a II b subtype lesion would often be detected in the antrum, gastric angle and lower body, all relatively free from mucosal creases, but a II b subtype lesion occurring in the greater curvature side is a rarity. When findings of both x-ray and endoscopy are duly taken into account, the present case is believed to belong to IIb-like early cancer with predominant IIc-like element. Cancer lesion in the present case evolved in a place where creases are physiologically abundant, so that it was all the more difficult to grasp the extension of cancer accurately. Scrupulous judgement is therefore required.


Copyright © 1973, 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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