Items tagged “petrous apex”
5 results found
Cholesterol granuloma (CG) is a special type of middle ear granulation tissue which is particularly prone to bleeding and is a frequent cause of a hemotympanum. Cholesterol granulomas represent the most common cystic lesion of the petrous apex. Epidemiology Cholesterol granulomas typically af...
Diagnosis almost certain
Published 23 Sep 2009
Pneumatized petrous temporal bone
Published 20 Jun 2017
Asymmetric Fatty Marrow in the Petrous Apex
Published 14 Sep 2017
Asymmetric fatty bone marrow of the petrous apex
Asymmetric pneumatization of petrous apex is a frequent normal anatomic variant resulting in asymmetric fatty bone marrow within the petrous apex. It is a common incidental finding on brain and skull base MRI. Clinical presentation Asymptomatic. Pathology Asymmetric pneumatization of the pet...