File:A text-book of the diseases of the ear and adjacent organs (1894) (14595244167).jpg

Identifier: adjacendis00poli (find matches)
Title: A text-book of the diseases of the ear and adjacent organs
Year: 1894 (1890s)
Authors: Politzer, Adam, 1835-1920 Dodd, Oscar Dalby, William B. (William Bartlett), Sir, 1840-1918
Subjects: Ear Diseases
Publisher: Philadelphia : Lea Brothers & Co.
Contributing Library: Yale University, Cushing/Whitney Medical Library
Digitizing Sponsor: Open Knowledge Commons and Yale University, Cushing/Whitney Medical Library

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when there is a suspicion of syphilis. Whenthere is a disturbance of hearing pilocarpine muriate is of service in a 2 percent, sol., used 3 to 5 drops subcutaneously or 4 to 8 drops internally. Galvanismto the sympathetic is recommended in the angioneurotic form. 4. Inflammation of the Labyrinth. (Otitis Interna.) Primary inflammations of the lining membrane and of the mem-branous structure of the labyrinth are very rare, and up to thepresent time have only been observed in some few cases. Of morefrequent occurrence are secondary inflammations caused by purulent 636 INFLAMMATION OF THE LABYRINTH. inflammations of the middle ear extending to the cavity of thelabyrinth. It occurs most frequently with the infectious diseases,especially in scarlatinous diphtheria of the middle ear, where deepdestructive changes in the membranous structure are produced bythe invasion of the specific excitant of the disease into the labyrinth(Moos). It also occurs with carious and tubercular middle-ear pro-
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Fig. 315.—Frontal Section through the Right Vestibule and Utriculus of adeaf Woman aged 93 Years, in whom Cholesteatomatous Masses were foundin the External Meatus and in the Tympanic Cavity. Stapes movable. st, Footplate of the stapes ; w, Utriculus ; /, Cisterna perilymphatica ; n, Section ofthe ramus utriculus ; p, Promontory with the epithelial growth on its vestibularsurface ; m, Epithelial growth on the inner side of the macul. acust. utriculi;b, Prominence of the epithelial layer on the floor of utriculus. cesses, which frequently extend to the labyrinth. In such cases, inthe cavity of the labyrinth, which is laid open by caries and filledwith pus, the saccule of the vestibule, the ampullae, and the semi-circular canals, are found thickened, grayish-red, and in partsecchymosed, the lining membrane of the cochlea, the modiolus, andthe lamina spiralis being injected and ecchymosed. In one case, INFLAMMATION OF THE LABYRINTH. 637 besides those changes, I found a polypoid growth

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