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Diagnosis of Gastric Submucosal Tumor (SMT) by Endoscopic Ultrasonography (EUS) Yukio Yoshida 1 1Department of Gastroenterology, Jichi Medical School pp.1009-1018
Published Date 1989/9/25
DOI https://doi.org/10.11477/mf.1403106559
  • Abstract
  • Look Inside

 As to the diagnosis of submucosal tumor (SMT) of the gastrointestinal tract, a newly developed diagnostic modality of endoscopic ultrasonography (EUS) has the great advantage over the conventional modalites such as endoscopy and x-ray examination.

 Owing to the transmural tomography of the wall of gastrointestinal tract, EUS has unique ability in recognizing tissue origin and growth pattern of SMT, knowing where it does come from and how it does grow, clearly visualizing the location and size, and thus differentiating it from extraluminal tumor which compresses the wall of gastrointestinal tract intraluminally from outside.

 As to the diagnostic ability of EUS, for example, a differential diagnosis among lipoma, cyst and ectopic pancreas is possible, although it still remains impossible between leiomyoma and leiomyosarcoma, which seems to the fatal and mechanical limitation inherent in this methodology EUS.

 With great and unique ability, EUS is now an indispensable diagnostic procedure for the various diseases in the field of gastroenterology, especially for SMT, providing useful information not only for the diagnosis but also for the indication of endoscopic surgery.


Copyright © 1989, Igaku-Shoin Ltd. All rights reserved.

基本情報

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

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