A member asked:

What to do if i have a small painless lump under my skin by my tail bone,it feels like a tiny ball that is hard and moveable. what could this be?

A doctor has provided 1 answer
Dr. Steven Brown answered

Specializes in Hand Surgery

Pilonidal cyst: Most likely a pilonidal cyst that is benign but can become infected and drain. May require excision

Answered 5/14/2016

2.1k views

Thank

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