Sonographic Diagnosis of Small Bowel Diseases Jiro Hata 1 , Noriaki Manabe 1 , Hiroaki Kusunoki 1 , Hiroshi Imamura 1 , Motonori Sato 2 , Manabu Ishii 2 , Toshiaki Tanaka 2 , Tomoari Kamada 2 , Ken Haruma 2 1Department of Clinical Pathology and Laboratory Medicine, Kawasaki Medical School, Kurashiki, Japan 2Division of Gastroenterology, Department of Internal Medicine, Kawasaki Medical School, Kurashiki, Japan Keyword: 小腸疾患 , 体外式超音波 , 造影超音波 pp.443-451
Published Date 2008/4/24
DOI https://doi.org/10.11477/mf.1403101317
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 An outline of the sonographic diagnosis of small bowel diseases is described. The neoplastic diseases are usually demonstrated as thickening of the focal wall, often with the loss of wall stratification when the tumor invasion is transmural. There are a variety of sonographic features in inflammatory disorders, therefore the image obtained has to be analyzed from many aspects such as wall stratification, site and distribution, and so forth before making diagnoses. In addition, contrast ultrasound using intravenous injection of contrast agents (LevovistTM, SonazoidTM) provides clear images of minute blood flow in the small bowel wall, which is extremely helpful in diagnosing ischemic and hemorrhagic disorders. Although ultrasound examination is known to be operator-dependent, it can be a very effective non-invasive modality for the detection and diagnosis of small bowel diseases.

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