ABOHNS Neurotology

Practice session

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?

Loading your practice session…