a2

Comment

Comment by vougiouklis nikolaos on November 27, 2011 at 12:59pm

this is debris caused by exostosis of the external auditory canal.

Osteomas of the external auditory canal are considered clinically to be discrete, pedunculated bone lesions arising along the tympano-squamous suture while exostoses of external auditory canal are broad based elevations of bone usually multiple and bilaterally symmetric, involving the tympanic bone.