Pilonidal sinus—also called a pilonidal cyst—is a skin infection that occurs in or around the crease of your buttocks. This condition happens when hair, skin cells, and dirt clog a hair ...

Dylan Conway, from Queensland, Australia, had nine surgeries and spent 14 months in bed due to reoccurring pilonidal sinus disease — when a hole forms near the back passage. The charity ...

PIlonidal sinus Treatment: STudying the OPtions (PITSTOP): an observational cohort with nested mixed methods and qualitative design to investigate surgical options for the treatment of pilonidal sinus ...