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Article
December 1950

POSTNATAL REBUILDING AND OTOSCLEROTIC BONE FORMATION IN THE REGION OF THE OTIC CAPSULE

Author Affiliations

MADISON, WIS.
From the Department of Anatomy, University of Wisconsin.

AMA Arch Otolaryngol. 1950;52(6):882-887. doi:10.1001/archotol.1950.00700030909005
Abstract

THE REGION of the otic capsule, anterior to the oval window, which houses the fissula ante fenestram has long been regarded as a site of predilection for otosclerotic foci. Already in the development of this portion of the capsule there is evidence that it is a poorly formed and an unstable area, in that much intrachondrial and little perichondrial bone is produced. In addition, this area is traversed by the fissula ante fenestram, which is often of irregular shape and size. During late fetal and early postnatal life, various attempts to alter the size and shape of the fissula and rebuild the surrounding capsule have been observed. These often result in the blocking of parts or all of the fissula with cartilage masses or gnarly bone. A further attempt to correct such defects results in the resorption of the localized pathological cartilage or bone and the replacement of it by

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