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ZENKER/PHARYNGEAL POUCH

Herniation of the mucosa and submucosa through the midline of the posterior oesophageal wall at the cleavage plane between the oblique and t...

Herniation of the mucosa and submucosa through the midline of the posterior oesophageal wall at the cleavage plane between the oblique and transverse fibres at the level C5-6.
Barium swallow

•  Posterior pouch arising at the junction of the pharynx and oesophagus
•  May be transient