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Article
October 1981

Sudden Hearing Loss Associated With Cochlear Membrane Rupture: Two Human Temporal Bone Reports

Author Affiliations

From the Division of Head and Neck Surgery and the Department of Pathology, UCLA School of Medicine, Los Angeles.

Arch Otolaryngol. 1981;107(10):598-600. doi:10.1001/archotol.1981.00790460010004
Abstract

• Cochlear membrane ruptures occurred in the left temporal bones of two patients—one was a result of barotrauma caused by flying and was associated with sudden deafness, tinnitus, and some vertigo and the second occurred in a patient with profound deafness in a previously normal-hearing ear. Both occurred as ruptures of Reissner's membrane at the junction of the ductus reuniens with the cecum vestibulare portion of the cochlear duct. With healing, a balloon-like structure formed from the rupture site into the adjacent vestibule, resulting in a secondarily ruptured saccule duct in one case and in collapse of the saccule in the second case. Left-sided preponderance of such ruptures and the vulnerability of the ductus reuniens junction with the cochlea are described.

(Arch Otolaryngol 1981;107:598-600)

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