[Vascular complications of exostosis. About an exceptional case of true femoral aneurysm (author's transl)].

An exceptional observation of a true femoral aneurysm complicating an exostosis is related. From a review of 60 cases of the literature, the authors study the different vascular complications induced by osteochondroma. In 3 cases out of 4, the vascular injury consist in a false aneurysm; in 1 case out of 5 vascular compression is the point in question; only 4 cases of true aneurysm have been collected. After study of the different clinical aspects of the disease, the authors emphasize the need of surgical treatment associating removal of exostosis and restoring vascular axis. They suggest preventive removal of exostosis situated on a vascular axis to hinder the onset of such accidents.