TY - JOUR T1 - Pseudoaneurysm of the petrous internal carotid artery after skull base infection and prevertebral abscess drainage. JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 502 LP - 504 VL - 19 IS - 3 AU - H Tanaka AU - U Patel AU - D A Shrier AU - J U Coniglio Y1 - 1998/03/01 UR - http://www.ajnr.org/content/19/3/502.abstract N2 - 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. ER -