. Twentieth century practice; an international encyclopedia of modern medical science by leading authorities of Europe and America . t have been some pre-existing obscure growth or malig-nant tumor. Hence the diagnosiswill have to be based on the exclu-sion of other acute affections andthe nature of the febrile movenient,together with the use of the laryn-geal mirror. Affection of the cri-coid will cause a perceptible tume-faction of irregular outline andnodular character, which projectsinto the larynx below the glottis,and infringes upon the breathingspace (Fig. 57). The tumor is be- FiG. 57.
. Twentieth century practice; an international encyclopedia of modern medical science by leading authorities of Europe and America . t have been some pre-existing obscure growth or malig-nant tumor. Hence the diagnosiswill have to be based on the exclu-sion of other acute affections andthe nature of the febrile movenient,together with the use of the laryn-geal mirror. Affection of the cri-coid will cause a perceptible tume-faction of irregular outline andnodular character, which projectsinto the larynx below the glottis,and infringes upon the breathingspace (Fig. 57). The tumor is be- FiG. 57.—Laryngoscopic Image in Perichondri- loW the COrds, but appears to pro-tis of the Cricoid Cartilage. -^^^ ^^^^ ^.-^^ SUpraglottic laryUX, and by pushing up the arytenoid and vocal cord brings the latteragainst the ventricular band and more or less obliterates the movements of the larynx on the affected side are interfered withor prevented. Careful study of the parts by means of the laryngeal mirror en-ables one to outline the swelling originating on the posterior segmentof the cricoid, its usual PERICHONDRITIS OF THE LARYNGEAL CARTILAGES. 379 Extonsivo tniiu^faction is also found iu discaso of tlio arytenoidcartilages, wliich are covered hy tlie swelling. Idiojjathic perichon-dritis is almost always unilateral, and the diJBfuse bright-red colorshows it to be purely inflammatory, while tuberculosis, the only con-dition liable to be confounded with it, is usually bilateral andexhibits minute, scattered whitish-gray pointw on a pale gray-pinkmembrane. Palpation and inspection, and the careful study of symptoms, willshow whether the thyroid is ajBfected externally. Involvement of theinner face will be seen by the laryngeal mirror to cause a distinctswelling, wdiich so pushes forward into the laryngeal cavity near theventricular band as to narrow the breathing-space and practicallyhide the true cord. Surrounding tissues are also affected by the acute
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Keywords: ., bookcentury1800, bookdecade189, booksubjectmedicine, bookyear1895
