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Surgical histoanatomy for adduction arytenopexy using injection laryngoplasty

Published online by Cambridge University Press:  18 December 2018

K Sato ,
S Chitose ,
F Sato  and
H Umeno
K Sato*
Affiliation:
Department of Otolaryngology – Head and Neck Surgery, Kurume University School of Medicine, Japan
S Chitose
Affiliation:
Department of Otolaryngology – Head and Neck Surgery, Kurume University School of Medicine, Japan
F Sato
Affiliation:
Department of Otolaryngology – Head and Neck Surgery, Kurume University School of Medicine, Japan
H Umeno
Affiliation:
Department of Otolaryngology – Head and Neck Surgery, Kurume University School of Medicine, Japan
*
Author for correspondence: Dr K Sato, Department of Otolaryngology – Head and Neck Surgery, Kurume University School of Medicine, 67 Asahi-machi, Kurume 830-0011, Japan E-mail: kimisato@oct-net.ne.jp Fax: +81 942 37 1200
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Abstract

Background

In order to improve a large posterior glottal gap and/or aspiration, injections of augmentation substances should not only be administered at the mid-membranous vocal fold in the thyroarytenoid muscle, but also at the cartilaginous portion of the vocal fold to make adduction arytenopexy possible.

Method

Ten adult human larynges were investigated using the whole-organ serial section technique.

Results

Vertical thickness of the posterior aspect of the thyroarytenoid muscle was relatively thin (3.4 ± 0.4 mm), especially in females (3.2 ± 0.3 mm). Consequently, care should be taken to ensure the correct depth of needle placement. If the needle is placed too deep, augmentation substances are injected into the lateral cricoarytenoid muscle, located beneath the thyroarytenoid muscle, or into the paraglottic space, located inferolateral to the thyroarytenoid muscle.

Conclusion

The injection location and the amount of injected material should be modified based on the pathological conditions of the voice disorder and aspiration.

Keywords

AnatomyVocal CordsLarynx

Information

Type
Short Communications
Information
The Journal of Laryngology & Otology , Volume 132 , Issue 12 , December 2018 , pp. 1143 - 1146
Copyright
Copyright © JLO (1984) Limited, 2018 

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Footnotes

Dr K Sato takes responsibility for the integrity of the content of the paper

Presented at the 97th Annual Meeting of the American Broncho-Esophagological Association, 26–28 April 2017, San Diego, California, USA.

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