Question: A 28 year old female undergoes removal of a large CPA vestibular schwannoma. She has neurofibromatosis type II and a large contralateral tumor with poor hearing. The surgeons elect to place an auditory brainstem implant after tumor resection. Where should the electrode pad be situated?

a) Root entry zone of 8th cranial nerve

b) Medial pons

c) Dorsal cochlear nucleus in the lateral recess of the 4th ventricle

d) Ventral cochlear nucleus ventrolateral to the inferior peduncle

[Answer will be posted with next week's new question]

Answer to last week's question, “All At Once" (October 28, 2019)

C - Postoperative pharyngeal stenosis.