An abscess is a simple collection of necrotic tissue in a liquefied status; most often infected (with purulent material-pus). Apart from the local symptoms of pain, swelling, redness and limitations ...

Every year between four and five million Americans suffer from chronic non-healing wounds, many caused by diabetes, poor circulation, pressure ulcers or other conditions. Proper wound care is ...

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 ...

A pilonidal sinus is a pocket or a small cyst in the skin which generally develops near the tailbone, the top of the cleft of the buttocks. The word pilus means hair and nidal means nest. When a nest ...

Question: I have had several pilonidal infections and each time had to go to the emergency room to have them drained. This is getting old. Why am I having such a problem and what can I do about it?

Over the years, surgery has experienced a transition from being a trial and error-based approach towards evidence-based practice. To no surgically treated ailment does this truism apply more than ...

Pilonidal cysts are pockets of skin near the tailbone, around the buttocks. These pockets usually contain hair and dead skin and other debris, and can become infected. One of the causes of infection ...

Also known as a pilonidal cyst, the condition forms when a sac of tissue fills with air or fluid in the crease of your buttocks. Pilonidal cyst, doctors say, is mostly caused by a skin infection.