Medically reviewed by Susan Bard, MD Key Takeaways A pilonidal cyst is a painful lump located at the base of the spine at the top of the buttocks.Symptoms can include a painful lump, discharge, and ...

There are different types of pilonidal cyst surgery. One involves cutting the cyst to drain the fluid, while another involves removing the cyst completely. Depending on the surgery type, a person can ...

A pilonidal sinus is a small tunnel that develops at the top of the crease in the buttocks. Trapped hair around the buttocks crease can lead to an abscess, and a pilonidal sinus may develop as a ...

Skin problems or excessive friction can cause the hair between buttocks to be pushed inwards. This can lead to a pilonidal cyst formation Foul smelling pus may be observed draining from the pilonidal ...