Abnormal Enhancement of the Internal Auditory Canal and Petrous Apex 
Possible Implication of Polysorbate 80 and Immunoglobulin-related Hypertrophic Pachymeningitis
Imbery, Terence E.; Kesser, Bradley W.

Otology & Neurotology: July 26, 2019 - Volume Publish Ahead of Print - Issue - p
doi: 10.1097/MAO.0000000000002350