Background: Aneurysms of superficial temporal arteries (STAs) are rare. The majority of them are induced by blunt trauma. To our knowledge, a pseudoaneurysm of the STA induced by scalp laceration has never been reported.
Case description: A 20-year-old man who complained of a pulsatile headache and had a lump on his right temple was admitted to our department. He had a history of frontal scalp laceration 2 weeks before the admission, and physical examination revealed 1 healed scar over the lump. On the basis of the characteristics of the headache and lump, surgical excision was taken and diagnosis was confirmed intraoperatively and by pathologic examination postoperatively. The postoperative course was uneventful.
Conclusions: Despite the rarity of pseudoaneurysm of STA after scalp laceration, this case may warrant the potential complication of a pseudoaneurysm, especially if scalp laceration courses over the branches of the STA.
Keywords: Pseudoaneurysm; Scalp laceration; Superficial temporal artery.
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