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Article: Signs of diaphragmatic rupture on computed tomography.(TODAY'S TWO SIGNS)(Brief article)
- Article from:
- South African Journal of Radiology
- Article date:
- April 1, 2008
- Author:
CopyrightCOPYRIGHT 2008 South African Medical Association. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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The 'dependent viscera sign'
The dependent viscera sign is seen with diaphragmatic rupture when there is loss of the posterior support of the diaphragm, allowing the viscera to drop against the posterior ribs and obliterating the posterior costophrenic recess. The dependent viscera sign is said to be present on the right side if the upper one-third of the liver abuts the posterior ribs (Fig. 1) and on the left side if the stomach or bowel abuts the posterior ribs or lies posterior to the spleen. (1)
The 'collar sign' and the 'hump sign'
This is a waist-like constriction of the viscera (stomach, bowel) that can be seen in diaphragmatic ruptures ...