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Superficial temporal artery pseudoaneurysm: report of a rare case secondary to mandibular condylar fracture.

A rare case of superficial temporal artery pseudoaneurysm secondary to mandibular condylar fracture is presented. A 21-year-old man referred to the Department of Oral and Maxillofacial Surgery with limited mouth opening and left preauricular swelling for more than 40 days after a traffic accident injury. He had received mandibulomaxillary fixation in the emergency department. Computed tomography showed left mandibular condylar fracture, and digital subtraction angiography confirmed left superficial temporal artery pseudoaneurysm. Endovascular embolization of the left external carotid artery was performed, followed by excision of the traumatic pseudoaneurysm and open reduction internal fixation of the left condylar fracture. Six months after treatment, the patient can open his mouth to approximately 35 mm and showed no swelling in the left preauricular region.