Site of origin of vestibular schwannoma – ENT MCQ

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% ).
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