acoustic neuroma Flashcards
1
Q
what is an acoustic neuroma
A
benign tumours of the schwann cells surrounding the auditory nerve that innervates the inner ear
2
Q
where do acoustic neuromas occur
A
cerebellopontine angle
3
Q
what does bilateral acoustic neuroma indicate
A
neurofibromatosis type II
4
Q
presentation of acoustic neuroma
A
unilateral sensorineural hearing loss
unilateral tinnitus
dizziness or imbalance
fullness in the ear
facial nerve palsy
5
Q
investigations for acoustic neuroma
A
audiometry (sensorineural hearing loss)
MRI or CT
6
Q
management of acoustic neuroma
A
ENT specialist
surgery
radiotherapy
7
Q
what cranial nerves are affected
A
VIII: vestibulocochlear (vertigo, unilateral sensorineural hearing loss, tinnitus)
V trigeminal: absent corneal reflex
VII facial: facial palsy
