ABOHNS Sleep Medicine Practice Questions - ABOHNS Sleep Medicine Subspecialty Certification Examination Exam

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A 40-year-old woman has a 2.5 cm right vestibular schwannoma with serviceable hearing (Class A, 85% WR). Microsurgical resection via which approach offers the best chance of hearing preservation for medium-sized intracanalicular/CPA tumors?

Middle cranial fossa approach (for intracanalicular/laterally-placed small tumors) or retrosigmoid approach (for larger CPA tumors) Translabyrinthine approach (sacrifices hearing) Transcochlear approach (sacrifices hearing and is used for far-lateral tumors) Orbitozygomatic approach

Correct Answer:

Middle cranial fossa approach (for intracanalicular/laterally-placed small tumors) or retrosigmoid approach (for larger CPA tumors)

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