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Ruptured Microaneurysm of the Jejunum A. Hasumi 1 , M. Ueda 1 , K. Ohnami 1 , K. Nishida 2 1Haga Red Cross Hospital 2Kokuritsu Tochigi Hospital pp.1741-1745
Published Date 1971/12/25
DOI https://doi.org/10.11477/mf.1403111427
  • Abstract
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 A 29-year-old man was admitted in a state of shock due to a large amount of melena. Despite conservative treatment, bouts of melena recurred with resultant shock, so that the emergency operation was performed 26 hours after the initial bleeding. There was neither abdominal pain nor any abnormal physical findings.

 A small mass was palpated in the jejunal wall about 50 cm caudad from the Treitz ligament. Jejunotomy revealed pulsating arterial bleeding from a tiny black mass, approximately 0.5×0.8 mm in size, protruding from the jejunal mucosa. Partial resection of the jejunum was carried out. The postoperative course was uneventful with no further hemorrhage.

 Histological study of the mass proved it to be a microaneurysm arising from the jejunal submucosal vessel with no evidence of syphilitic or sclerotic changes.

 This case is believed to be the first report in Japan of microaneurysm and the seventh in the world literature.


Copyright © 1971, 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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