Lateral pharyngeal pouch: At the level of valleculae
Superior - hyoid bone, middle constrictor muscle
Posterior - stylopharyngeus muscle, superior cornu of the thyroid cartilage
Anterior - thyrohyoid muscle and membrane
5% aspiration
Lateral pharyngeal diverticula: from tonsillar fossa or region of the thyrohyoid membrane
Persistent pouches or saccular collections of the region of the thyrohyoid membrane
Zenker's Diverticulum
Killian-Jamieson Pouches and Diverticula
Webs
Inflammatory disorder
Benign tumor
Malignant tumor
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