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In gastroenterology, a pharyngeal pouch is a pathological pulsion diverticulum of the pharyngeal mucosa through Killian's dehiscence. Killian's dehiscence (also known as Killian's triangle) is a triangular area in the wall of the pharynx between the inferior constrictor muscle and the cricopharyngeus muscle. It represents a potentially weak spot where a pharyngoesophageal diverticulum (Zenker's diverticulum) is more likely.
At first, the pouch develops posteriorly but then it protrudes to one side, usually the left. It displaces the oesophagus laterally as it enlarges.
Additional recommended knowledge
Male, old age.
Signs and symptoms
Surgical excision of the pouch. Normal feeding delayed until complete healing of wound, which may take at least five days.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Pharyngeal_pouch". A list of authors is available in Wikipedia.|