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AJNR: American Journal of Neuroradiology logoLink to AJNR: American Journal of Neuroradiology
. 1998 Mar;19(3):502-4.

Pseudoaneurysm of the petrous internal carotid artery after skull base infection and prevertebral abscess drainage.

H Tanaka 1, U Patel 1, D A Shrier 1, J U Coniglio 1
PMCID: PMC8338258  PMID: 9541307

Abstract

A 37-year-old woman with a skull base infection sustained massive oropharyngeal bleeding after incisional nasopharyngeal biopsy and drainage of a prevertebral abscess. A pseudoaneurysm originating at the petrous portion of the internal carotid artery was initially misinterpreted on MR images as typical postoperative change within a resolving abscess cavity. Follow-up MR imaging and conventional angiography ultimately disclosed the pseudoaneurysm.

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