Probably lifetime: Sounds like an incomplete closure of a suture in your skull. Not unusual. A a kid these thing close up and the cartilaginous borders harden--but no always. If you remember severe head trauma, it could be a cracked skull with irregular healing or mild depression. Can't think of anything currently serious but a cracked depressed skull fracture could have been.
Answered 5/14/2018
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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