AKT question relating to diagnosis of vestibular schwannoma

Abstract

You see a 64-year-old lady with unilateral sensorineural hearing loss and suspect vestibular schwannoma.

Which SINGLE investigation is the gold standard investigation in diagnosis of vestibular schwannoma? Select ONE option only.

Audiogram

Contrast-enhanced computed tomography (CT scan)

Contrast-enhanced magnetic resonance imaging (MRI scan) of the brain

Contrast-enhanced magnetic resonance imaging (MRI scan) of the internal acoustic meatus

Skull X-ray