[Carotid fibromuscular dysplasia]

An uncommon case, probably the first in Mexico, of fibromuscular dysplasia involving the internal, extra and intracranial carotid artery, histologically demonstrated in an 18-year old young man is presented. The few bibliographical references on the subject are reviewed and emphasis is placed on the importance of angiographic studies for the establishment of the aethiology of the disease in all cases of occlusive cerebrovascular accident.