Larger cholesterol granulomas that are left untreated could cause bone loss ... from chronic ear infections. An MRI showed a cholesterol granuloma on the petrous apex, but it had grown so large ...

OBJECTIVE: To determine whether aeration of surgically treated petrous apex cholesterol granulomas (PA CG) has any correlation with resolution of symptoms. STUDY DESIGN: Retrospective chart review.

The giant cholesterol cyst (GCC ... This benign cystic lesion of the petrous apex gradually enlarges and may produce progressive bone erosion and serial neurologic deficits of the cranial nerves ...