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Petrous Apex Cholesterol Granulomas: Endonasal vs. Infracochlear Approach
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2012
Year
Minimally Invasive ProcedurePathologyOtorhinolaryngologyTopographical AnatomyClinical AnatomyCholesterol GranulomasSurgeryAnatomyOrthopaedic SurgeryGross AnatomyDrain Petrous ApexSurgical PathologyBiliary DisorderRadiologyHistopathologyEndoscopic Sinus SurgeryEndonasal ApproachBiliary TractMedicineInfracochlear Approach
Objectives: This study aims to investigate and compare the surgical anatomy of two different routes to access and drain petrous apex (PA) cholesterol granulomas: the expanded endonasal approach (EEA) and the transcanal infracochlear approach (TICA).