Q: I have a cyst on the end of my tailbone that's been there for years without any problems. My friend says that she has a similar problem, but under her arm. Her doctor told her that she has ...

Pilonidal Sinus is an abnormal pocket or a cleft between the buttocks just below the base of the spine that may develop due to a variety of reasons including hormonal or genetic ones. Some people ...

I am 22 years old and have had trouble with a cyst on my tailbone for years. Once or twice a year the cyst begins to hurt, and then opens up and drains spontaneously. Should I see my doctor about this ...