Abstract
Trauma-related aneurysm of the superficial temporal artery is rare. We report a 23-year-old man who developed a painless pulsating temporal mass on his previously contused area four weeks after blunt trauma. Preoperative investigation including duplex ultrasound and enhanced brain tomography suggested a pseudoaneurysm. Surgical resection of the mass via proximal and distal artery ligation was performed. Pathological examination of the mass revealed a true arterial aneurysm. The pathogenesis of the true aneurysm formation in this case could be related to the arterial wall degenerative change due to trauma. We suggest that surgeons encountering similar cases consider sampling a small segment of ”unsual” artery near the aneurysm to investigate the possibility of pre-existing dysplastic blood vessels.
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