Unusual renovascular disorders.

Apart from the usually seen diseases of the renal artery, there exists a group of disorders that occur less frequently and rarely show up as a primary disease process. Arteriovenous malformations and renal artery aneurysms are examples of these conditions. Thrombosis of the renal artery and vein are two other relatively uncommon conditions that may show no pathognomonic clinical features. This article reviews the clinical features of these rare disorders and presents diagnosis and management.