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November 1949


Arch Otolaryngol. 1949;50(5):605-611. doi:10.1001/archotol.1949.00700010619006

THIS article is an attempt to correlate the material published since 1913 on the subject of unilateral paralysis of the larynx. The observation of 3 cases of unilateral laryngeal paralysis within one month, in all 3 of which the left cord was involved and the etiologic factors were different, suggested a survey of the literature on this subject, which, on investigation, proved to be voluminous but widely scattered. The following paragraphs attempt to bring together the pertinent facts discovered.

There are five types of laryngeal paralysis: (1) congenital, (2) central, (3) peripheral, (4) myopathic and (5) psychogenic. The congenital type which is present at birth, is rare and is bilateral. The central type, which is comparatively rare, is divided into the cortical and bulbar subgroups. Paralysis of cortical type is very rare, and, since the center for the larynx in the cortex is bilateral, a bilateral lesion in this area

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