The thyroepiglottic ligament connects the anterior surface of the epiglottic stalk to the inner surface of the thyroid cartilage angle, anchoring the epiglottis to the laryngeal framework and maintaining its position in the laryngeal inlet.
Maintains the epiglottis in its posterior-superior position relative to the thyroid cartilage, limits inferior epiglottic descent, and provides the anterior attachment in the pre-epiglottic space.
Thyroepiglottic ligament is divided in epiglottectomy and in laryngeal approaches requiring epiglottic mobilisation. Its integrity determines the degree of epiglottic deflection during swallowing — thyroepiglottic laxity may contribute to epiglottic prolapse into the laryngeal inlet.
Division of the thyroepiglottic attachment during supraglottic partial laryngectomy or epiglottectomy, requiring careful closure of the pre-epiglottic space to prevent aspiration.
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