Patient Data
Age: 90 years
Gender: Female
From the case:
Exostoses of the external auditory canal
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CT scans shows sessile, small and bilateral exostoses causing not significant narrowing of the external auditory canal.
From the case:
Exostoses of the external auditory canal
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/29263/annotated_viewer_json?lang=us"}
CT scans shows sessile, small and bilateral exostoses causing not significant narrowing of the external auditory canal.
Case Discussion
The main radiological differential diagnosis is made with osteoma. Osteomas and exostoses have distinct clinical and histopathologic features, being distinguished by its radiological features: