Presentation
Symptoms of chronic right otitis media. Patient is a regular diver.
Patient Data
Age: 50 years
Gender: Male
From the case:
External auditory canal exostoses - surfer's ear
{"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/65056/annotated_viewer_json?iframe=true\u0026lang=us"}
Bilateral external auditory canal lesions consisting of cortical bone and periosteum, located deeply within the external auditory canal (not at the cartilage-bone junction), and causing circumferential stenosis.
Case Discussion
The patient is a regular diver: both CT and clinical history are consistent with EAC exostosis.
There are signs of non-cholestatomatous chronic otitis media on the right.
Possible differential from otoscopy's point of view: EAC osteoma, which is usually unilateral, located at the bony-cartilaginous junction, and has a round shape.