A Functional Larynx Dissection Utilizing Mandibular Rotation: A Technical Report
Mario Loomis, Brandon Trevino, Bradley Engel, Kyle Stitle, Hayden Fanguy, Yashna Thakker, Nicholas Fong, Matt Mackler, Natalie Mendoza
TL;DR
This paper introduces a new dissection method for teaching larynx anatomy that preserves functional relationships with surrounding structures.
Contribution
A novel cadaveric dissection technique using pharyngotomy and mandibular rotation to maintain laryngeal relationships.
Findings
Traditional dissection methods disrupt functional relationships of the larynx.
The new technique preserves in-situ relationships for better understanding of airway and swallowing mechanics.
Abstract
In gross anatomy labs, the larynx is usually visualized with either a sagittal hemisection or a posterior disarticulation approach. Both fail to maintain the functional in-situ relationships between the intact larynx and adjacent structures. This makes it challenging for students to understand how suprahyoid and infrahyoid muscles, pharyngeal muscles, the tongue, epiglottis, and intrinsic laryngeal muscles are all involved with airway protection and swallowing. We describe a novel approach to cadaveric larynx exposure using a pharyngotomy and mandibular rotation technique, which keeps the laryngeal relationships to the laryngopharynx, oropharynx, tongue, and soft palate intact.
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Taxonomy
TopicsDysphagia Assessment and Management · Voice and Speech Disorders · Tracheal and airway disorders