Japanese

Gastric Cancer Resembling Submucosal Tumor, Report of a Case Yutaro Egashira 1 , Hiroya Takiuchi 1 , Masaki Oka 1 , Eiji Umegaki 1 , Masaya Tanaka 1 1The Second Department of Internal Medicine, Osaka Medical College Keyword: 胃癌 , 胃粘膜下腫瘍 pp.577-581
Published Date 1995/3/25
DOI https://doi.org/10.11477/mf.1403105388
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 The patient was a 64-year-old male who was admitted to our department with tarry stool as his chief complaint. X-ray and endoscopical examination revealed a protruded lesion similar to a submucosal tumor accompanied with irregular depression on its surface in the lesser curvature of the middle body. Slight Ⅱc-like encroachment was seen in the margins of the depression in the close-up view of the endoscopic examination. Gastric cancer was histologically diagnosed by biopsy from the depression. EUS showed a solid tumor invading from the submucosa to the subserosa. Therefore, we diagnosed advanced gastric cancer similar to submucosal tumor. Subtotal gastrectomy was performed. The resected specimen showed an elevated lesion, measuring 16 × 12 mm, accompanied with irregular depression on its surface in the lesser curvature of the middle body. Histologically, the protruded lesion consisted of a proliferation of poorly differentiated adenocarcinoma with partial mucinous degeneration deeper than the submucosal layer.

 It is rare that gastric cancer develops in a manner similar to submucosal tumor such as in this case. Detection of Ⅱc-like encroachment using close radiological and endoscopical examination might make it possible to diagnose gastric cancer similar to a submucosal tumor.


Copyright © 1995, 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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