Unilateral Leg Oedema in Association with an Aortocaval Fistula

Patient with gross unilateral leg swelling.

A CT angiogram demonstrating a large aneurysm compressing the inferior vena cava (IVC). There is an obliteration of the normal anatomical space between the IVC and aorta. The shiny-white porcelain layer on the anterior wall suggests the inflammatory nature of the aneurysm.

A CT angiogram demonstrating large left iliac aneurysm and ectatic right aneurysm (axial view).

A coronal view of the CT angiogram demonstrating large AAA along with left common iliac aneurysm.