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Stapediovestibular dislocation with pneumolabyrinth.

Nishiike S, Hyo Y, Fukushima H

Department of Otolaryngology, Kawasaki Medical School, Kurashiki, Okayama, Japan. nishiike@med.kawasaki-m.ac.jp

Traumatic luxation of the stapes into the vestibule is a rare entity, and the disease complicated with pneumolabyrinth is extremely rare. We report the case of a 72-year-old woman with pneumolabyrinth associated with a stapediovestibular dislocation. The patient presented with vertigo and nystagmus following penetrating trauma to the middle ear. High resolution computed tomography scans demonstrated air in the vestibule and dislocation of the stapes. Exploratory tympanotomy demonstrated oozing of the perilymph from the oval window and depression of the stapes into the vestibule. Pneumolabyrinth and stapes luxation detected by high resolution computed tomography should be predictive of a perilymphatic fistula.

Published 4 April 2008 in J Laryngol Otol, 122(4): 419-21.
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