Zenker's diverticulum

Zenker's diverticulum
Other namesPharyngoesophageal diverticulum, pharyngeal pouch, hypopharyngeal diverticulum
SpecialtyGastroenterology

A Zenker's diverticulum, also pharyngeal pouch, is a diverticulum of the mucosa of the human pharynx, just above the cricopharyngeal muscle (i.e. above the upper sphincter of the esophagus). It is a pseudo diverticulum or false diverticulum (only involving the mucosa and submucosa of the esophageal wall, not the adventitia), also known as a pulsion diverticulum.

It was named in 1877 after German pathologist Friedrich Albert von Zenker.

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