Our Pilonidal cyst Main Article provides a comprehensive look at the who, what, when and how of Pilonidal cyst
Definition of Pilonidal cyst
Pilonidal cyst: An abscess that occurs in the cleft between the buttocks at the base of the tailbone (coccyx). Pilonidal cysts are common in adolescence, often after long trips that involve sitting.
Last Editorial Review: 3/19/2012
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