Differential diagnostic potential of otoacoustic emissions: a case study.
An 11-year-old boy was identified as having a profound sensorineural hearing loss accompanied by clear click-evoked otoacoustic emissions. Further diagnostic testing by means of electrocochleography and auditory brainstem responses indicated a predominantly retrocochlear disorder with good cochlear function. However, radiological investigation ruled out the presence of any material space-occupying lesion. This case illustrates the contribution that can be made by otoacoustic emission testing to differential diagnosis.
Lutman
M E
ME
MRC Institute of Hearing Research, Nottingham Clinical Outstation, General Hospital, UK.
Mason
S M
SM
Sheppard
S
S
Gibbin
K P
KP
D002648:Child; D003051:Cochlea / Q000503:physiopathology; D003937:Diagnosis, Differential; D005072:Evoked Potentials, Auditory; D006319:Hearing Loss, Sensorineural / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008722:Methods