[Transcatheter arterial embolization in the treatment of maxillary artery pseudoaneurysm hemorrhage: a case report].

Internal maxillary arterial pseudoaneurysm is a potential complication of maxillofacial surgery. A 34-year old woman with maxillary sinus cancer undergoing multiple endoscopic sinus surgery,and subsequently developed acute massive nasal hemorrhage. She was eventually successfully treated with intravascular embolization. The recurrence of nasal hemorrhage was not observed during a seven-month follow up.