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Vet Radiol Ultrasound. 2014 Jan-Feb;55(1):74-8. doi: 10.1111/vru.12053. Epub 2013 May 31.

Imaging diagnosis--Use of multiphasic contrast-enhanced computed tomography for diagnosis of mesenteric volvulus in a dog.

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1
From the Department of Radiology, University of Melbourne Veterinary Hospital.

Abstract

A 4-year-old German shorthaired pointer presented with collapse and hematochezia. Radiographs showed gas and fluid-distended small intestines and loss of serosal detail. Ultrasound examination showed hypomotile, fluid-distended small intestines, and thrombosed jejunal veins. Multiphasic contrast-enhanced computed tomography was performed and showed a CT "whirl sign," an important but nonspecific sign of intestinal volvulus in human patients. At surgery, the majority of the small intestine was entangled in the volvulus and showed black discoloration. The patient was euthanized. Postmortem evaluation yielded a diagnosis of jejunoileal mesenteric volvulus secondary to a congenital omphalomesenteric duct remnant.

KEYWORDS:

CT whirl sign; computed tomography; dog; mesenteric volvulus

PMID:
23721282
DOI:
10.1111/vru.12053
[Indexed for MEDLINE]
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