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Diagnostic Results of Extracorporeal Ultrasonography in a Patient with Gastrointestinal Stromal Tumor of the Jejunum Ken-ichi Tarumi 1 , Hideki Koga 1 1Division of Gastroenterology, Department of Medicine, Kawasaki Medical School Keyword: gastrointestinal stromal tumor , 空腸 , 腹部超音波 pp.688-694
Published Date 2004/4/24
DOI https://doi.org/10.11477/mf.1403100509
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 A 60-year-old woman was admitted to our hospital because of rectal bleeding and severe anemia requiring blood transfusion. Abdominal ultrasonography revealed a hypoechoic mass connected with the small intestinal wall, measuring3×2cm in size. X-ray and enteroscopic examinations revealed a submucosal tumor with ulcerations in the jejunum. Partial resection of the jejunum was then carried out. Histopathological examination demonstrated that the tumor was composed of spindle cells without any mitosis. Immunohistochemical analyses showed the tumor cells to be negative for CD34and S-100protein, but positive for KIT and α-smooth muscle actin. Relying on this data, we made a diagnosis of jejunal low grade malignancy of gastrointestinal stromal tumor.

 1) Division of Gastroenterology, Department of Medicine, Kawasaki Medical School, Kurashiki, Japan


Copyright © 2004, 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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