1. Transoral flexible endoscopic therapy of Zenker's diverticulum: is it time for gastroenterologists to stick their necks out? 
David A. Katzka, MD, Todd H. Baron, MD, FASGE 
Gastrointestinal Endoscopy 
Volume 77, Issue 5, Pages (May 2013)
DOI: /j.gie
Copyright © 2013 American Society for Gastrointestinal Endoscopy Terms and Conditions

2. Figure 1
Cricopharyngeal myotomy using a flexible endoscope. A, Endoscopic photograph taken before myotomy. A transparent clear cap is fitted onto the endoscope, and its inner edge is indicated by the dashed yellow line. The septum containing the cricopharyngeus muscle is seen. B, Endoscopic photograph taken immediately after myotomy. The hook-knife used is seen (arrow) as is the nasogastric tube. Note the widely patent lumen between the remaining diverticulum and esophageal lumen. NG, nasogastric tube; ZD, Zenker's diverticulum.
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2013 American Society for Gastrointestinal Endoscopy Terms and Conditions