Published in:
01-07-2018 | Classics in Abdominal Imaging
The floating bowel sign
Published in: Abdominal Radiology | Issue 7/2018
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The diaphanous floating pneumatophore of a Portuguese man o’ war (Physalia physalis) (Fig. 1) [1] warns of danger—coils of stinging tentacles streaming below. While not nearly so elegant, bowel floating centrally on a supine abdominal radiograph similarly signals danger—potentially serious pathology causing large-volume ascites.
Fig. 1
Deadly beauty: the Portuguese Man O’ War. https://commons.wikimedia.org/wiki/File:Portuguese_Man-O-War_(Physalia_physalis).jpg Public access, open source image, accessed Aug 8, 2017
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