Figure 5 - Evidence for barium stasis in valleculae and pyriforms (yellow thin arrows).


From the following article

A patient with chronic severe oropharyngeal dysphagia

Gary D. Gramigna and Raj K. Goyal

GI Motility online (2006)

doi:10.1038/gimo82

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Also evidence of the posterior surface of the cricoid cartilage opposed to the posterior pharyngeal wall that constitutes the upper sphincter (blue short arrow).

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