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Cricopharyngeal Incoordination

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In cricopharyngeal incoordination, the cricopharyngeal muscle (the upper esophageal sphincter) is uncoordinated. It can cause a Zenker diverticulum. Repeated aspiration of material from the diverticulum can lead to chronic lung disease.

The condition can be treated by surgical section of the cricopharyngeal muscle.

* This is the Professional Version. *