Pharyngeal dilation in cricopharyngeus muscle dysfunction and Zenker diverticulum.

@article{Belafsky2010PharyngealDI,
  title={Pharyngeal dilation in cricopharyngeus muscle dysfunction and Zenker diverticulum.},
  author={Peter Charles Belafsky and Catherine J. Rees and Jacqueline Allen and Rebecca J. Leonard},
  journal={The Laryngoscope},
  year={2010},
  volume={120 5},
  pages={
          889-94
        }
}
OBJECTIVES/HYPOTHESIS Prolonged obstruction at the level of the lower esophageal sphincter is associated with a dilated, poorly contractile esophagus. The association between prolonged obstruction at the level of the upper esophageal sphincter (UES) and dilation and diminished contractility of the pharynx is uncertain. The purpose of this investigation was to evaluate the association between prolonged obstruction at the level of the UES and dilation and diminished contractility of the pharynx… CONTINUE READING
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