Abdominal aortic aneurysm: yin-yang sign

Case contributed by Dr Omar Bashir

Contrast enhanced CT scan demonstrates the yin-yang sign in the aneurysm of abdominal aorta. The high density are represents the patent lumen whereas the low density area represents the mural thrombus.

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Case information

rID: 17111
Case created: 17th Mar 2012
Last edited: 16th Dec 2015
System: Vascular
Inclusion in quiz mode: Included

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