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Jejunal GIST in which Contrast-enhanced Ultrasonography was Useful for Diagnosis, Report of a Case Takahiro Mori 1 , Wataru Fukuda 1 , Mika Mihara 1 , Youko Kitaguchi 1 , Motoki Watanabe 1 , Hajime Honjyo 1 , Yasuhide Mitsumoto 1 , Hideo Tomioka 1 , Tadashi Itoh 1 , Seiji Shimizu 1 1Department of Gastroenterology, Osaka General Hospital of West Japan Railway Company, Osaka, Japan Keyword: GIST , 嚢胞性変化 , 造影超音波 pp.219-226
Published Date 2008/2/25
DOI https://doi.org/10.11477/mf.1403101279
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 A 74-year-old male was admitted for control of diabetus mellitus. Abdominal ultrasonography (US) for screening revealed an abdominal mass of 46 mm in diameter with cystic changes;color doppler, contrast enhanced CT and MRI demonstrated abundant blood flow only in the periphery of the mass lesion. Contrast-enhanced US (CEUS) using Levovist® demonstrated that the peripheral area of the tumor was strongly enhanced on the early vascular image, but the central area was not enhanced at all. Enteroclysis revealed a submucosal tumor originating from the proximal jejunum. These finding suggested the diagnosis of gastrointestinal stromal tumor (GIST). Surgical resection of the tumor was carried out. Histological findings revealed that the peripheral area of this tumor was composed of spindle shaped cells which were positive for c-kit staining. These findings confirmed the diagnosis of GIST. US and CEUS are considered useful as a noninvasive diagnostic modality for GIST.


Copyright © 2008, 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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