Cyst-to-Mastoid Antrum Diversion as an Alternate Pathway for Management of Small Symptomatic Petrous Apex Cholesterol Granuloma Without Anteromedial Expansion Using an Extradural Middle Fossa Approach: A Technical Case Report
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DOI: 10.1227/ons.0000000000000473
Abstract: BACKGROUND AND IMPORTANCE: Cholesterol granuloma (CG) is the most common petrous apex (PA) cystic lesion. Posterolateral expansion of a PA CG (PACG) compresses the internal auditory canal (IAC), leading to vestibulocochlear (VC) and facial nerve… read more here.
Keywords: small symptomatic; without anteromedial; anteromedial expansion; expansion using ... See more keywords