trainee · clinical case

Asymmetric high-frequency hearing loss

Vignette

A 52-year-old man with two years of progressive right-sided tinnitus and high-frequency hearing loss has an MRI showing a 12 mm intracanalicular vestibular schwannoma on the right. He denies vertigo.

RCT pattern

Gain · eye / chair00.601.200.010.020.040.080.160.320.64frequency (Hz, log)Phase lead · degrees-2030800.010.020.040.080.160.320.64frequency (Hz, log)Symmetry · %-500500.010.020.040.080.160.320.64frequency (Hz, log)
Three-panel SHA summary. Shaded green = published normal band. Solid marker = patient/archetype curve; dashed = overlaid reference if shown.

Question

Which RCT pattern best matches?