Abstract
Eleven patients had esophageal diverticulum; nine were Zenker’s type, one was mid-esophageal, and one was lateral cervical. All patients with esophageal diverticulum demonstrated EPR on FEES, a characteristic finding of the food bolus initially disappearing into the esophageal inlet during the swallow then refluxing back into the hypopharynx after the swallow. Six patients underwent concurrent in-office TNE, which identified the diverticulum in all. Nine cases were confirmed radiographically, while two were diagnosed with FEES and TNE alone. Nine patients were treated surgically and EPR disappeared after successful surgical treatment in all nine. EPR occurred in one of the 37 control patients; this patient was found on TNE to have an esophageal perforation and exposed cervical spine fixation hardware with pooling of food in an extraesophageal pouch.
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