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Surgical histoanatomy for adduction arytenopexy using injection laryngoplasty

  • K Sato (a1), S Chitose (a1), F Sato (a1) and H Umeno (a1)
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.

Copyright
Corresponding author
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
Footnotes
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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.

Footnotes
References
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9Sato, K, Umeno, H, Nakashima, T. Liposuctioned autologous fat injection into the larynx and hypopharynx with aspiration after vagal nerve paralysis [in Japanese]. Nihon Kikan Shokudoka Gakkai Kaiho 2002;53:353–7
10Sato, K, Umeno, H, Nakashima, T. Injection laryngoplasty according to the pathologic condition [in Japanese]. Nihon Jibiinkoka Gakkai Kaiho 2003;106:808–14
11Sato, K, Umeno, H, Nakashima, T. Autologous fat injection laryngohypopharyngoplasty for aspiration after vocal fold paralysis. Ann Otol Rhinol Laryngol 2004;113:8792
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The Journal of Laryngology & Otology
  • ISSN: 0022-2151
  • EISSN: 1748-5460
  • URL: /core/journals/journal-of-laryngology-and-otology
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