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Article
August 1949

OTOSCLEROSIS: THEORY OF ITS ORIGIN AND DEVELOPMENT

Author Affiliations

NEW YORK
From the Lempert Institute of Otology and the Lempert Research Foundation, Inc.

Arch Otolaryngol. 1949;50(2):115-155. doi:10.1001/archotol.1949.00700010124001
Abstract

IN THE May 1945 issue of the Archives of Otolaryngology we published a report of our histologic study of the incus and the head and neck of the malleus. These ossicles were removed during the performance of the fenestra nov-ovalis operation in 115 cases of ankylosis of the stapedial footplate caused by a proliferating otosclerotic lesion in the region of the oval window. Attention was called to the fact that a single case of otosclerosis involving the malleus and the incus, as proved in microscopic sections, had been reported and illustrated in the literature.1 The object of our study was to determine how frequently otosclerosis involves the incus and the malleus in the presence of an otosclerotic lesion within the otic capsule.

We reported that in the series of ossicles examined, no typical circumscribed focus of otosclerosis was observed. No pathologic area clearly demarcated from adjacent normal bone was

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