True aneurysm of the facial artery. Report of a clinical case.

Aneurysms are abnormal and localized dilations of a blood vessels presenting in any artery or vein of the body. They can be classified in false aneurysms, when the have a traumatic etiology, and in true aneurysms, when the vessel wall is weakened but containing all layers. True aneurysms are not much described in literature. We present a case of a 54 year old female patient with a true aneurysm of the facial vein, its surgical treatment and its final diagnosis. The clinical and pathological aspects of these kind of lesions and differential diagnosis with other similar lesions are discussed.