Pilonidal sinus disease

Pilonidal sinus disease is a debilitating condition presents as a subcutaneous cyst or abscess that commonly arises in hair follicles and occurs, principally, in the natal cleft of the sacrococcygeal area, approximately 5 cm from the anus. Pilonidal sinus disease occurs most frequently in younger patients (aged 15–30 years) who are otherwise fit and healthy, and seldom in patients aged >40 years, and in men twice as much as women.