A pilonidal sinus is a small hole or tunnel in the skin that can easily become infected. It typically forms in the cleft at ...

During surgery, Dr. Rafailov removes the affected tissue, including cysts and sinus tracts, and reconstructs the area by lifting and flattening the cleft. This eliminates the anatomical conditions ...

Aug 09, 2023, 2:49 AM ET Pilonidal Expert Pilonidal Expert - Dr. Kamrava Pilonidal Expert - What is a Pilonidal Cyst ...

Pilonidal disease occurs when cysts form between the buttocks. It is believed to be an inflammatory reaction to hair or debris that gets caught in the crease of the buttocks.

Although it was commonly thought that pilonidal cysts were congenital, now most experts think they are acquired or develop later in life. The cysts often occur in women between puberty and age 40.

STANHOPE, N.J., June 23, 2025 /PRNewswire/ -- Pilonidal disease—a chronic infectious and inflammatory condition affecting the skin and underlying tissue near the tailbone—is a common disorder ...