A member asked:

I have a hard large and painful lump on the lower left backside of my skull. i have has no head injuries what could this be?

A doctor has provided 1 answer

Lump: Could be a boil or cyst. Could be a lymph node or other growth. Usually something painful should be checked to get the right diagnosis and treatment.

Answered 12/9/2013

5.5k views

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