Original Research

Laryngeal trauma: A diagnostic case study

Loren B. Schneider, Anthony Traill, Lesley Wolk
South African Journal of Communication Disorders | Vol 31, No 1 | a342 | DOI: https://doi.org/10.4102/sajcd.v31i1.342 | © 2019 Loren B. Schneider, Anthony Traill, Lesley Wolk | This work is licensed under CC Attribution 4.0
Submitted: 10 November 2016 | Published: 31 December 1984

About the author(s)

Loren B. Schneider, Baragwanath Hospital, Johannesburg, South Africa
Anthony Traill, Department of Linguistics, University of the Witwatersrand, South Africa
Lesley Wolk, Department of Speech Pathology and Audiology, University of the Witwatersrand, South Africa

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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.


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