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Benign Tumors and Tumor-like Lesions of the Jejunum and the Ileum Yusuke Saitoh 1 , Masafumi Nomura 2 , Mikihiro Fujiya 1 1Third Department of Internal Medicine, Asahikawa Medical College Keyword: 小腸腫瘍 , 小腸腫瘍様病変 pp.959-966
Published Date 2001/6/25
DOI https://doi.org/10.11477/mf.1403103261
  • Abstract
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 Benign tumors and tumor-like lesions of the jejunum and the ileum are rarely detected and the diagnosis is sometimes difficult. Most benign tumors of the jejunum and the ileum present no symptom until they grow to around 4 cm in size. Those with 4 cm or more in size often present obstructive symptoms such as intermittent colicky abdominal pain, nausea, vomiting, and abdominal fullness caused by intussusception. Occult or sometimes massive bleeding is presented because of ulceration caused by necrosis due to intussusception. There is no specific imaging test helpful to detect small-bowel tumors. Cautious small-bowel enteroclysis (SBE) is the most useful means for detecting small sized subclinical small-bowel tumors. Filling defect and, sometimes, in-tussusception can be imaged by SBE. Computed tomography and ultrasonography are useful especially for the detection of lipomas, lymphangiomas, myogenic and neurogenic tumors. Scintigraphy and angiography is useful for the detection of hemangiomas. Of the small-bowel benign tumors and tumor-like lesions, lipo-ma, hemangioma, lymphangioma and neurogenic tumors are commonly detected and the characteristics of those tumors are described in this paper. If the patient complains of unexplained intermittent abdominal pain, detailed examination of the small bowel is required.


Copyright © 2001, 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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