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Abscess: Collection of pus within inflamed tissue frequently caused by bacterial infection. The infection often damages the surrounding tissue creating a cavity.
Incision & Drainage: Common treatment for cysts or abscesses (including pilonidal sinus wounds) may include incision and drainage, where the abscess is incised and the debris is drained.
Pilonidal Sinus Wound: A pilonidal sinus wound is a cyst or abscess located near or at the natal cleft of the buttocks and often contains hair and skin debris.