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

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A 55-year-old man presents with unilateral progressive left-sided sensorineural hearing loss, tinnitus, and mild imbalance over 2 years. Audiogram shows asymmetric SNHL with poor word recognition (45%) in the left ear. MRI with gadolinium shows a 1.8 cm intracanalicular and cisternal enhancing mass at the left cerebellopontine angle. Which tumor is most likely?
Correct Answer:
Vestibular schwannoma (acoustic neuroma)

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