Pilonidal cyst: A Pilonidal Cyst is an abnormal pocket in the skin that usually contains hair and skin debris. it is almost always located near the tailbone at the cleft of the buttock. These cysts typically occur when hair punctures the skin and then becomes embedded. if a Pilonidal Cyst become infected the resulting abscess is often very painful. The cyst can be drained through a small incision or surgically re
Answered 1/4/2015
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