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A D V E R T I S E M E N T
A D V E R T I S E M E N T
Cricopharyngeal motor dysfunction is considered the etiology of Zenker's diverticulum. Inappropriate contraction during swallowing causes increased intrapharyngeal pressure. The pressure can cause mucosa and submucosa to protrude through the weak area of muscle between the cricopharyngeus and the remainder of the lower constrictor, forming a pulsion (false) diverticulum.
A D V E R T I S E M E N T
The natural history of Zenker's diverticula in continued enlargement. The cricopharyngeus band may become hypertrophied.
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A D V E R T I S E M E N T
The skin incision is marked just anterior to the anterior border of the sternocleidomastoid muscle at the level of the larynx.
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This page was last modified on 4/26/2000.
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