What is the definition or description of: incision and drainage of pilonidal cyst?

Pilonidal cyst/abces: Pilonidal cyst is a cyst or abscess near or on the natal cleft of the buttocks that often contains hair and skin debris. It is thought to be secondary to an ingrown hair. Pilonidal cyst often get infected leading to abcess formation which is treated by incision and drainage. Surgical excision of the cyst and tract is the definitive treatment.

Removal of pus: Opening the top layer of infected pilonidal cyst and draning the contained pus from the cavity of the cyst.

Temporizing Treatmen: Incision and drainage is when a physician makes a specific type of incision to remove the pus inside a pilonidal cyst. This is not a cure for pilonidal disease. It is a temporizing treatment to remove the active infection. To cure the disease, a subsequent surgery must be done once all the inflammation has subsided.