What is the most common pattern of hearing loss associated with acoustic neuroma?
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Asymmetric sensorineural hearing loss (ASHL) >15 dB at 3,000 Hz is a fairly strong predictor of acoustic neuroma (AN). A more restrictive protocol intended to reduce MRI scans further requires a >20-dB difference if the pure-tone threshold in the better hearing ear is reduced (>30 dB). (SOR: B, based on retrospective cohort studies.)
Evidence-based practice 14, no. 08 (2011): 06