Popliteal entrapment syndrome caused by fibular osteochondroma.

Osteochondromas are the most common tumors of bone. In adolescence, they usually present as a painless growing mass. Femoropopliteal vascular complications associated with an osteochondroma are rare, with most cases involving pseudoaneurysms. This report describes an exceptional case of a popliteal entrapment syndrome caused by a proximal fibular osteochondroma.