A manual of diseases of the throat and nose : including the pharynx, larynx, trachea, oesophagus, nose and naso-pharynx . al branch ) « ,, . . External branch j of the suP«rlor laryngeal. imr l^it pneumogastric nerve. I m Thyro-hyoid muscle. 1 \ Cardiac branch of the left pneumogastric. j Right pneumogastric nerv- Cardiac branch of the right pneumogastric f ~ - - j^ Right recurrent laryngeal nerve. raj Left recurrent laryngeal. Ductus arteriosus. Fig. 90.—The Laryngeal Branches of the F-neumogastric Nerve. (From Ziemssen. after Henle.) close contact with the apex of the lung, and is therefore
A manual of diseases of the throat and nose : including the pharynx, larynx, trachea, oesophagus, nose and naso-pharynx . al branch ) « ,, . . External branch j of the suP«rlor laryngeal. imr l^it pneumogastric nerve. I m Thyro-hyoid muscle. 1 \ Cardiac branch of the left pneumogastric. j Right pneumogastric nerv- Cardiac branch of the right pneumogastric f ~ - - j^ Right recurrent laryngeal nerve. raj Left recurrent laryngeal. Ductus arteriosus. Fig. 90.—The Laryngeal Branches of the F-neumogastric Nerve. (From Ziemssen. after Henle.) close contact with the apex of the lung, and is therefore likely to be pressedupon by the morbid deposit, or the pleuritic inflammation at the apex, towhich phthisis so often gives rise. I pointed out, however, some yearsago,2 that this enormous preponderance of paralysis of the right vocalcord has not occurred in my experience, and further observations confirmmy earlier conclusions. The most common cause of aphonia in the earlystages of pulmonary consumption, indeed, is weakness of the expiratorymuscles and feeble tension of the vocal cords, and is not of a neurotic. 1 Gazette des Hopitaux, No. 135, 1«02. 2 Hoarseness and Loss of Voice, p. 17. 326 DISEASES OF TIIE PHARYNX, LARYNX, AND TRACHEA. character at all. (See Laryngeal Phthisis.) Either nerve may suffer fromcancer of the oesophagus, and, perhaps, of all causes, this is the one mostfrequently in operation. The enlargement of a deep cervical gland, aswell as malignant tumors in the neck, also often cause unilateral paralvsis,and mediastinal tumors, such as cancers, sarcomas, fibromas, and lympho-mas of the bronchial glands, act in the same way. The symptoms of this affection are manifest, for the condition can im-mediately be recognized by the laryngoscope. When there is completeparalysis of the nerve the affected vocal cord, on attempted phonation, re-mains in the cadaveric position (see Fig. 92), whilst the healthy cord isadducted to, or even beyond, the median line, one
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherne, booksubjectnose
