Most common site of origin of vestibular schwannoma is?
A. Cochlear nerve
B. Superior vestibular nerve
C. Inferior vestibular nerve
D. Facial nerve
Correct answer : B. Superior vestibular nerve
Site of origin of vestibular schwannoma
Most common site of origin of vestibular schwannoma is Superior vestibular nerve ( 50-60% ).
It also occurs in the inferior vestibular nerve ( 40-50% ) and cochlear nerve ( 10% ).