A member asked:

Hi, asking again, i miswrote my question, i have a hard lump on back of my head, its marble sized its connected to skull, what is it ? thanks for repl

A doctor has provided 1 answer

may be normal: If it is in the center of head just above the neck it could be normal but prominent bone called posterior occipital protuberance. If it seems to be growing or not in the mid line or moves then consult your pcp.

Answered 8/1/2018

4.8k views

Thank

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