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 ...

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 follicle, ...

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 ...

It often starts as a sore spot you assume is a zit, ingrown hair, or minor irritation. Then it gets worse. Sitting becomes uncomfortable. Pressure builds. Sometimes there’s swelling, drainage, or even ...

Dear Dr. Roach • The article about the boy suffering after surgery for three years from a pilonidal cyst really hit home. My son developed a pilonidal cyst in June 2012 and also had a very bad ...

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 ...