possibly: Is this a new "bump?" there is always going to be one where the shunt valve/reservoir is. If you think this is a new bump, i would see your neurosurgeon.
Answered 10/23/2017
4.8k views
Probably: What you refer to as a bump on your head may be the shunt valve. Have your surgeon take a look at it at your next appointment.
Answered 11/7/2013
4.8k views
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