See the removal of the scalp - a possible schizophrenia.
To see your scalp in your dream, indicates that there is something that you need to go out of your head. If someone is massaging your scalp, then it signifies relaxation. Or you may need some intellectual stimulation.
Source or root (as a scalp is the source of hair growth)
A covering (as a scalp covers the cranium)
Something else you personally associate with the scalp