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Abdominal Radiology
Published in: Abdominal Radiology 9/2018

01-09-2018 | Classics in Abdominal Radiology

Fat halo sign

Authors: Aina Venkatasamy, Quentin Minault, Francis Veillon

Published in: Abdominal Radiology | Issue 9/2018

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Excerpt

The fat halo sign corresponds to a widened and fat-infiltrated submucosal layer of the bowel (small or large bowel) that can been seen in patients with inflammatory bowel diseases, such as Crohn’s disease or ulcerative colitis, mostly seen in chronic forms of the disease [1‐3]. This sign is not entirely specific, as it has been described in cases of graft vs. host disease, and also as a normal finding—possibly related to obesity—in the absence of clinical or radiological evidence of inflammatory bowel disease [4]. …
Literature
1.
2.
Yudin A (2014) Fat halo sign. In: Metaphorical Signs in Computed Tomography of Chest and Abdomen. Cham: Springer, pp 153–153
3.
Amitai MM, Arazi-Kleinman T, Avidan B, et al. (2007) Fat halo sign in the bowel wall of patients with Crohn’s disease. Clin Radiol 62(10):994–997CrossRefPubMed
4.
Harisinghani MG, Wittenberg J, Lee W, et al. (2003) Bowel wall fat halo sign in patients without intestinal disease. Am J Roentgenol 181(3):781–784CrossRef
5.
Metadata
Title
Fat halo sign
Authors
Aina Venkatasamy
Quentin Minault
Francis Veillon
Publication date
01-09-2018
Publisher
Springer US
Published in
Abdominal Radiology / Issue 9/2018
Print ISSN: 2366-004X
Electronic ISSN: 2366-0058
DOI
https://doi.org/10.1007/s00261-018-1492-5

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