Petrous apex cholesterol granuloma

Case contributed by Dr Mohamed Samy

Presentation

Tinnitus and hearing impairment.

Patient Data

Age: 30 years
Gender: Female

Left petrous apex lesion demonstrating:

  • high signal intensity on T1 and T2 WI
  • dark rim on all pulse sequences (hemosiderin rim)
  • no diffusion restriction
  • no signal drop on fat suppression sequence (no fat contents)
  • no evidence of aggressive behavior 
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Case information

rID: 61884
Published: 25th Jul 2018
Last edited: 26th Jul 2018
System: Head & Neck
Inclusion in quiz mode: Included
Institution: Private practice

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