Figure 5 - Transoral laser assisted cricopharyngeal myotomy.
From the following article
Head and neck disorders affecting swallowing
Timothy M. McCulloch and Debra Jaffe
GI Motility online (2006)
doi:10.1038/gimo36
a: Cricopharyngeal bar visible anterior to Zenker's diverticulum (arrow). b: After laser cricopharyngeal myotomy, with diverticulum open into esophagus.
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