A member asked:

I have a bump on the back of my head at the base of my neck and skull. it's slightly tender. i didn't bump my head or anything. what could this be?

9 doctors weighed in across 2 answers
Dr. David Kam answered

Mass back of head: You 'll need to see a doctor to examine the mass. It can be a lipoma, sebaceous cyst, osteoma or other tumors.

Answered 2/9/2019

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Agree with Dr. K: One other possibility is an enlarged lymph node. You may watch and wait. You may feel the bumps periodically , if the bump doubles in size, becomes painful, ulcerates, or other bumps appear, or you develop fever, or lose weight, you should see a doctor.

Answered 2/12/2019

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