LONG BEFORE otosclerosis was recognized as a separate disease it was considered by otologists as a form of "dry middle ear catarrh." In the middle of the last century, Tröltsch first expressed his opinion that the condition was not a form of catarrh of the middle ear but must be regarded as an entity in the diseases of the ear.
Politzer, pioneer in otology, studied a large number of patients with this condition at the Vienna General Alms House, both during life and at autopsy, and was the first to describe otosclerosis as a primary disease of the labyrinthine capsule. He described otosclerotic foci as proliferating bony growths occurring in certain areas of the capsule only and referred to them as "sites of predilection." He said that as long as the disease lies within the bony labyrinthine capsule, no clinical symptoms could be observed in the patients; but when it
SUBRAMANIAN VS. OTOSCLEROSIS: Résumé of the Literature with Clinical Observations. Arch Otolaryngol. 1950;51(6):901–916. doi:10.1001/archotol.1950.00700020927010
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