Pharyngeal pouch.The contrast study shows the pouch. This is an appropriate size for an endoscopic approach. A pouch size of less than 2 cm diameter does not allow the stapling device to be inserted deep enough to achieve an adequate cricopharyngeal myotomy. The patient underwent an endoscopic cricopharyngeal myotomy and was home 24 hours after the procedure, with a considerable improvement to his swallowing.
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