Laryngeal trauma: A diagnostic case study
Loren B. Schneider, Anthony Traill, Lesley Wolk
South African Journal of Communication Disorders · 1984
doi:10.4102/sajcd.v31i1.342 (opens in a new tab)
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Abstract
This study investigates the physiological mechanism responsible for reappearance of phonation in an aphonic subject with traumatic laryngeal damage. The battery of procedures involved spectrography, laryngographic analysis, fiberoptic laryngoscopy, tomography, lateral xerography and cinefluorography. Results show that the subject's abnormal laryngeal anatomy facilitated a novel adductory mechanism for vocal fold vibration involving a type of sphincteric constriction between the arytenoid cartilages and the epiglottis. The value of a battery of diagnostic measures is highlighted.
Abstract licence: CC BY
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