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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Small Bump On Lower Back Side Of Head?

Yesterday I had noticed a small bump on the lower back side of my head.It was small, about the size of a dime if not smaller. In about eight hours time it had grown.to about the size of two quarters. It is firm and does not move, but it painful to touch.Eight years ago I had a brain tumor removed from my right frontal lobe of my brain. Is this bump cause for concern, or is it likely a cyst?
Wed, 8 Oct 2014
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Neurologist, Surgical,  's  Response
Hi, I had gone through your question and understand your concerns. The bump you noticed enlarged in few hours, probably is caused by local infection of hair roots, or skin glands. However I suggest you to contact your local Doctor to check for the infection signs. If your Doctor is not convinced about the nature of the bump, then you should have brain imaging study. Hope this answers your question. If you have additional questions or follow up questions then please do not hesitate in writing to us. I will be happy to answer your questions.
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What Causes Small Bump On Lower Back Side Of Head?

Hi, I had gone through your question and understand your concerns. The bump you noticed enlarged in few hours, probably is caused by local infection of hair roots, or skin glands. However I suggest you to contact your local Doctor to check for the infection signs. If your Doctor is not convinced about the nature of the bump, then you should have brain imaging study. Hope this answers your question. If you have additional questions or follow up questions then please do not hesitate in writing to us. I will be happy to answer your questions.