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.

Treatment for Petrous Apex Cholesterol Granuloma

Treatment of a petrous apex cholesterol granuloma is aimed at draining the cystic collection.  There are various approaches to drainage.  These patients need to be followed over a long period of time with serial imaging.