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.

Dr. Sanjay Prasad MD FACS is a board certified physician and surgeon with over thirty-two years of sub-specialty experience in Otology, Neurotology, advanced head and neck oncologic surgery, and cranial base surgery. He is chief surgeon and founder of the private practice, Metropolitan NeuroEar Group, located in the metropolitan Washington D.C. area.