A text-book on diseases of the ear, nose and throat . movement of the variousmuscles of i)fioiiation. Interary-tenoid de^DOsit naturally affects theadductors, while infiltration of thecrico-arytenoid joint acts in a simi-lar way, though the joint generallyescapes actual deposit. In someinstances, where there is no actualobstacle to proper cordal action,the patient seems too weak to properly use the muscle, that in turn maysometimes suffer from actual tubercular deposit. Following this stageof infiltration, there ensues that of breaking down or ulceration. Thepeculiarities of the tubercular ulc
A text-book on diseases of the ear, nose and throat . movement of the variousmuscles of i)fioiiation. Interary-tenoid de^DOsit naturally affects theadductors, while infiltration of thecrico-arytenoid joint acts in a simi-lar way, though the joint generallyescapes actual deposit. In someinstances, where there is no actualobstacle to proper cordal action,the patient seems too weak to properly use the muscle, that in turn maysometimes suffer from actual tubercular deposit. Following this stageof infiltration, there ensues that of breaking down or ulceration. Thepeculiarities of the tubercular ulcer have been described when speakingof the localized process in the pharynx. It is shallow rather than deep,is covered with thick, ropy mucus, and no very marked boundary existsbetween the edges of the ulcer and the surrounding area (Fig. 256). Under the conditions named the vast majority of ulcerations are of atubercular nature, but there are others which are simi)le erosions, dueprobably to irritation from sputa, and must not be looked upon as the. Section through the right aryepiglottic lig-ament. (Rosenthal.) a, a, tubercle; h, mucousglands. TUBERCULOSIS OF THE LARYNX. 629 portals of the original infection. Succeeding the ulceration is the in-vasion of the cartilages, which, however, is not always evident on insi^ec-tion during life. Earely in proi)ortion to the whole number of cases isthere any actual extrusion of cartilage, though occasionally a completecartilage with carious surface has been expelled, esiDeciallj^ the chondritis or j)erichondritis be set ux), there are seen the usual featuicsof this condition. The exact nature of the disease is determined hj theassociation of the local process with the general tubercular state. Finally,there is a rare class of lesions, consisting of tumors,—tuberculomata,—which are of great interest from a histo-i^athological i^oint of view. The Fig. 255.
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