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May 1968

First Pathologic Confirmation of Otosclerosis in a Japanese

Author Affiliations

From the Department of Otolaryngology, Nihon University School of Medicine, Tokyo. Dr. Sando is now at the University of Colorado Medical Center, Denver.

Arch Otolaryngol. 1968;87(5):543-546. doi:10.1001/archotol.1968.00760060545021

THOUGH many reports on the histopathology of otosclerosis have appeared in the Western literature, there have been no such reports in the Japanese literature. It is probably due to the fact that the incidence of clinical otosclerosis in the Japanese is much less common than in the white race. In fact, clinical experience seems to indicate that the incidence of clinical otosclerosis would be about 0.25% of the patients with ear disease among the Japanese.

With the development of modern audiologic and microsurgical techniques, several clinical reports of otosclerosis have recently appeared in the Japanese medical literature.1-3 However, none of these reports have included a histopathologic analysis of the temporal bones. This is the first case presented with a clinical, audiological, and histopathological analysis.

Report of a Case  History.—A 43-year-old man, a government official, was first seen in our clinic on Oct 5, 1964. He complained of binaural

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