Petrous Apex Cholesterol Granuloma

A petrous apex cholesterol granuloma is a tumor that occurs when serum from leaky capillaries within the petrous apex begins to accumulate and forms a cystic structure.

Diagnosis for Petrous Apex Cholesterol Granuloma

Diagnosis of a petrous apex cholesterol granuloma can be made by a CT scan of the skull base and MRI scan of the brain.