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Dr. SH
Dr. SH, Doctor (MD)
Category: Oncology
Satisfied Customers: 8781
Experience:  Doctor of Medicine
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What could be the cause of a hard (bony) lump on the back of

Customer Question

What could be the cause of a hard (bony) lump on the back of my skull?
Submitted: 1 year ago.
Category: Oncology
Customer: replied 1 year ago.
It feels like bone that is protruding from the back of my skull on the left side, and is not movable. Dimensions appear to be (0.8 inch wide x 0.7 inch tall x 0.25 inch protrusion). I have attached a sample diagram to show roughly where it is. It appeared about 3 months ago, does not seem painful. When I first observed it, it felt kind of big to the touch (see approximate dimensions above). I think it might have grown a little bit, but it's tough to tell if it has.
Customer: replied 1 year ago.
While there is no significant pain that affects my life, sometimes I get slightly sharp pains around that area.
Expert:  Dr. SH replied 1 year ago.

Hi there.
Thank you for your question.
I am Dr. SH and will be helping you out with your concerns today.

Expert:  Dr. SH replied 1 year ago.

Sounds like a harmless bony growth called as an osteoma.

Something that is very common and nothing to worry about at all whatsoever.

If if is not bothering you I would just leave it.

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