Chronic contained rupture of abdominal aortic aneurysm with extensive erosion of the vertebral bodies

Patient Data

Age: 75 years
Gender: Male

Remarkable aneurysmal dilatation of abdominal aorta at the origin of renal arteries, which extends to the bifurcation of aorta associated with extensive mural thrombosis. Extensive erosion of anterior part of L3 and L4 vertebrae and loss of outline of the right psoas muscle. Contrast material completely fills the renal and common iliac arteries. There is no evidence of leakage of contrast material in the surrounding haematoma.

Case Discussion

The draped aorta sign was considered in this case because a distinct line between the posterior aorta and adjacent structures was not identifiable, additionally to the fact that the posterior aorta followed the vertebral contour. This sign is considered to be specific to a chronically ruptured aneurysm. Another specific imaging finding observed in this case were smooth and well-corticated vertebral erosions with sclerotic borders, usually caused by aneurysms secondary to chronic repetitive arterial pulsations.

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Case information

rID: 55450
Case created: 6th Sep 2017
Last edited: 24th Sep 2017
System: Vascular
Inclusion in quiz mode: Included

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