Introduction Pilonidal means nest of hair. This is derived from latin words for hair (pilus) and nest (nidus). Pilonidal sinus is a most common disorder in relation with natal cleft. Usually, it appears at the sacro-coccygeal area. It is a sinus tract which often contains hairs and skin debris. This condition has a male predominance over females. It is more…
Pilonidal sinus is a painful and discomforting condition in which a sinus tract develops in the natal cleft (between the buttocks). Since it commonly contains tufts of hairs, it is known as pilonidal sinus. “Pilonidal” is described as the ’nest of hair’. Initially, a cyst develops in that area at the back of sacrum and coccyx. This can be seen…