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The Audiological Picture

Gisle Djupesland, MD; Gordon Flottorp, CR; Egill Hansen, MD; Ottar Sjaastad, MD

Arch Otolaryngol. 1974;99(3):218-225.

Abstract
The function of hearing has been studied in two patients with Cogan syndrome, employing a battery of audiological tests, including relative and absolute impedance measurements. The results indicate that the hearing loss is mainly of cochlear origin. In addition, the findings indicate that there is a mechanical component caused by middle-ear abnormality similar to what is found in early stages of otosclerosis.

Author Affiliations
Oslo, Norway

From the Department of Otorhinolaryngology, The Institute of Audiology, and the departments of ophthalmology and neurology, University Hospital, Rikshopitalet, Oslo, Norway.

Footnotes
Accepted for publication Jan 24, 1973.

Reprint requests to ENT Department, Rikshospitalet, Oslo, Norway (Dr. Djupesland).

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