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AJNR Am J Neuroradiol. 2003 Jan;24(1):147-50.

Superficial temporal artery pseudoaneurysm: diagnosis and preoperative planning with CT angiography.

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Section of Neuroradiology, Department of Radiology, Northwestern Memorial Hospital, Chicago, IL 60611, USA.


We report the use of CT angiography in the diagnosis and preoperative planning of a superficial temporal artery pseudoaneurysm. A 50-year-old man presented with a pulsatile preauricular mass 4 weeks after undergoing pterional craniotomy for aneurysm repair. CT angiography revealed a 2.5-cm pseudoaneurysm arising from the posterior margin of the right superficial temporal artery at the inferior margin of the craniotomy incision. To our knowledge, this is the first reported case showing the usefulness of CT angiography alone in the diagnosis and characterization of a superficial temporal artery pseudoaneurysm.

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