Spontaneous idiopathic aneurysm of the inferior vena cava

Inferior vena cava (IVC) aneurysms are uncommon. It is only 54 cases reported in English medical literature. Venous aneurysms are associated with long standing systemic venous hypertension, trauma, inflammatory processes or congenital malformation. Herein we report a case of spontaneous aneurysm of IVC which was not associated with any of the above mentioned predisposing factors.