Cysts, abscesses and lipomas all have one common feature: they cause a lump or bump on the skin. All three are very common and I literally remove a hundred or more lipomas and sebaceous cysts a year.

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 ...

A skin abscess or boil is a bump on or below the skin’s surface. It may look like a pimple but larger and deeper under the skin. Abscesses usually contain pus or clear fluid and can appear anywhere on ...