surfer's ear

Exostosis of the external auditory canal (also known as surfer's ear), is a benign bony overgrowth of the bony external auditory canal brought about by exposure to cold wind and water combined.

Radiographic features

• broad-based or more focal circumferential bony overgrowth of the osseous external auditory canal
• bilateral

Differential diagnosis

• external auditory canal osteoma: unilateral focal, pedunculated bony overgrowth
• external auditory canal cholesteatoma: typically unilateral bony flakes with scalloping of the adjacent bone

See also

• exostosis

Siehe auch:

• Exostose
• Swimmer's ear
• Stenose des äußeren Gehörgangs

und weiter:

• buccale Exostosen
• Meatus acusticus externus
• Torus maxillaris
• Tumoren äußerer Gehörgang