Two cases of iatrogenically induced false aneurysm of the superficial temporal artery are presented. One patient showed partially filled aneurysmal sac, 1×1cm sized, on the main trunk of left superficial temporal artery by external carotid
artery
angiography. Another patient showed aneurysmal dilatation, 3×2cm sized, of the superficial temporal artery with direct injection of Urograffin into the pulsatile mass. Aneurysm excision is indicated to reduce the risk of hemorrhage from the
subsequent
head trauma, to relieve headache, and for any cosmetic defect. The authors have reviewed the literature and discussed the incidence, classification, pathogenesis clinical and angiographic diagnosis, differential diagnosis, and treatment.
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