Cystic adventitial disease of the popliteal artery.

Cystic adventitial disease is a rare condition that usually affects the popliteal artery, and is a rare cause of non-atherosclerotic stenosis. It is most commonly found in young or middle-aged men with intermittent claudication. Herein we present a histologically proven case of cystic adventitial disease of the popliteal artery in a 53-year-old man.