The Limberg flap is the most common off-midline procedure used to treat pilonidal disease. After a rhomboid excision of diseased tissue, a rhomboid subcutaneous flap is mobilized and transposed to ...

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 ...