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February 1966

Radiologic Diagnosis of Labyrinthine Otoscle

Arch Otolaryngol. 1966;83(2):160. doi:10.1001/archotol.1966.00760020162014

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Changes in the labyrinthine capsule, especially in the cochlear capsule have been observed in tomograms of patients with clinical otosclerosis associated with sensorineural loss. Similar changes have been found in cases of pure sensorineural loss diagnosed as labyrinthine otosclerosis on the basis of individual, as well as family history, of positive Schwartze's sign, and audiometric configuration. The changes may be diffuse and involve the entire cochlear capsule or localized to a segment of it, especially to the basilar turn. They consist of foci of demineralization, foci of sclerosis by a combination of the two, producing a more or less severe disruption of the normal pattern of the capsule. The report is based on the study of 200 cases divided as follows: (1) 100 patients with clinical otosclerosis, (2) 50 patients with pure sensorineural loss, (3) 50 normal patients examined as a control group.

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