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November 1952


Author Affiliations

From the Eye, Ear, Nose, and Throat Section (Dr. Titche, Chief), Veterans Administration Hospital.

AMA Arch Otolaryngol. 1952;56(5):471-478. doi:10.1001/archotol.1952.00710020495001

SINCE the larynx is situated above and outside of the chest, one would suppose that intrathoracic lesions would involve the larynx infrequently and only by an ascending infection being carried by continuity of the mucous membrane or by the respiratory air column. But, when the laryngeal nerve supply is remembered, the effect of abnormalities within the thorax upon these nerves and thereby upon the larynx easily can be surmised. The laryngeal manifestation of this is evidenced by an alteration in the quality of the voice. This ranges from slight huskiness to almost complete aphonia, though at times there may be no clinical signs of dysfunction. This presentation will show several instances of these conditions.

Before the discussion proceeds further, a brief review of the nerve supply of the vocal cords may give a clearer picture (Fig. 1). The cricothyroid muscle receives its innervation by way of the superior laryngeal nerve

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