Which is a sign and symptom of an acoustic neuroma?
a. External ear pain
b. Bilateral hearing loss
c. Increased hearing sensitivity
d. Mild vertigo
ANS: D
An acoustic neuroma is a slow-growing, encapsulated, benign tumor of the eighth cranial (acoustic) nerve. It originates in the neural sheath in the internal auditory canal but grows to involve nerve fibers in the posterior fossa. Initially the patient experiences unilateral hearing loss and disturbances, especially tinnitus, and equilibrium problems such as mild vertigo.
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