Cholesterol granuloma and other petrous apex lesions

Otolaryngol Clin North Am. 2015 Apr;48(2):361-73. doi: 10.1016/j.otc.2014.12.009. Epub 2015 Jan 31.


This article presents the latest information on the presentation, diagnosis, imaging characteristics, management, and outcomes for petrous apex cholesterol granulomas. An in-depth review of the pathophysiology and surgical approaches is presented along with a summary of other petrous apex lesions and their imaging characteristics.

Keywords: Cholesterin granuloma; Cholesterol granuloma; Petrous apex; Petrous bone; Skull base; Temporal bone.

Publication types

  • Review

MeSH terms

  • Bone Diseases / diagnosis*
  • Cholesterol*
  • Diagnosis, Differential
  • Granuloma / diagnosis*
  • Granuloma / pathology
  • Humans
  • Magnetic Resonance Imaging
  • Petrous Bone / pathology*
  • Tomography, X-Ray Computed


  • Cholesterol