Abstract
Zenker's diverticulum (ZD), or pharyngeal pouch, is an anatomical defect characterized by herniation of the posterior pharyngeal wall through Killian's dehiscence, and may result in dysphagia and regurgitation. Multiple therapeutic modalities including surgery, rigid and flexible endoscopy have been developed to manage ZD. Although surgical management with open and endoscopically assisted techniques have historically been the mainstay of ZD treatment, minimally invasive flexible endoscopic techniques, carried out under conscious sedation, are increasingly favored. Over the last two decades, the advent of new accessories and techniques have changed the landscape of endotherapy for ZD, with the current armamentarium including, but not limited to, endoscopic stapling, CO2 laser, argon plasma coagulation, needle knife, bipolar forceps, hook knife, clutch cutter, stag beetle knife, and submucosal tunneling endoscopic septum division. We hereby review the latest evidence to support the endoscopic management of ZD.
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