Pilonidal sinus cyst of the penis: a rare manifestation of a common disease.

Pilonidal sinus is a chronic inflammatory condition owing to the subcutaneous trapping of hair. Most commonly it is found in the sacrococcygeal region (natal cleft) but rarely it is found on the penis with very few cases reported in the literature worldwide. We are reporting a case of a pilonidal sinus growing on the distal penile shaft with the sinus opening to the mucosal layer of the foreskin, in a young and fit patient. The cyst was removed with a circumcision and found to contain hair. This was confirmed by histology as a pilonidal sinus cyst.