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False aneurysm of the sphenopalatine artery after a Le Fort I osteotomy: report of 2 cases.

Vascular complications after penetrating maxillofacial injuries such as gunshot or knife wounds are common.1,2 However, severe postoperative hemorrhage is a rare complication after orthognathic surgery.3 In this article, we report 2 cases of false aneurysm of the sphenopalatine artery. Review of the literature shows that this pathology is quite rare.4-6 False aneurysms result in unique imaging on a computed tomography (CT) scan with contrast, although angiography is still required for diagnosis and therapeutic prognosis. Report of Cases