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Alphons Mathis, PhD; Rudolf Probst, MD; Nicola De Min, MS; Rolf Hauser, MD

Arch Otolaryngol Head Neck Surg. 1991;117(6):674-676.

Abstract
• We describe a child who emitted a continuous audible sound from his left ear. A high-level spontaneous otoacoustic emission was measured at the frequency of 5.64 kHz with an amplitude of 55 dB sound pressure level. A high-frequency hearing loss was measured in both ears; however, it was more pronounced in the emitting ear. The emission failed to synchronize to external click stimuli. This spontaneous emission is probably related to a cochlear defect, but it should not contribute additionally to the child's existing auditory impairment.

(Arch Otolaryngol Head Neck Surg. 1991;117:674-676)

Author Affiliations
From the Departments of Otorhinolaryngology, Kantonsspital Luzern (Switzerland) (Dr Mathis and Ms De Min), Kantonsspital Basel (Switzerland) (Dr Probst), and Universitätsklinik Freiburg (Germany) (Dr Hauser).

Footnotes
Accepted for publication February 6, 1991.

Reprint requests to HNO-Universitätsklinik, Kantonsspital, CH-4031 Basel, Switzerland (Dr Probst).

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