Cystic adventitial disease of the popliteal artery: a report of two cases and a review of the literature.

Abstract

Cystic adventitial disease is a rare condition affecting the wall of certain major arteries. The case histories of two patients presenting to the Royal North Shore Hospital are reviewed. Both patients were young men who presented with unilateral incapacitating calf claudication of sudden onset. Lower limb arteriography on each affected leg revealed a peculiar irregularity of the popliteal artery. Each patient had the popliteal artery explored and similar findings were revealed viz: an extensive cyclic lesion occupying the adventitial layer of the popliteal artery. The cysts were found to contain mucoid material. It was not necessary to enter the arterial lumen in either case. As far as can be established both patients have remained asymptomatic after the simple procedure of evacuating mucoid material from the cysts.

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