Pilonidal Disease

Pilonidal disease (pilonidal dimple) is a condition that can occur anywhere along the crease between the buttocks, which runs from the bone at the bottom of the spine (sacrum) to the anus. It may appear as a pilonidal abscess, cyst, sinus, or small pit.  Pilonidal disease is thought to be caused by hair growing into the skin in the creases of the buttocks.

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