Pilonidal Sinus – Causes, Treatment, Surgery, and Recovery
A pilonidal sinus is a tiny hole or a tunnel in the skin, at the top of the buttocks. A pilonidal sinus is filled with pus or fluid which eventually forms into a cyst.
A pilonidal sinus is a tiny hole or a tunnel in the skin, at the top of the buttocks. A pilonidal sinus is filled with pus or fluid which eventually forms into a cyst.