Infected cyst: Sounds like an infected cyst. These cysts are actually fairly common in the tissue behind the ear. If it is bothering him it can be removed fairly simply with a procedure done under local anesthesia.
Answered 12/20/2012
6.1k views
Sebaceous cyst: Sounds like a sebaceous cyst. These usually need to be removed to get rid of the problem.
Answered 3/13/2012
6k views
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A doctor has provided 1 answer
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