B Vldeofluoroscoplc Swallowing Study (VFSS)

VFSS is the study of choice for the evaluation of oropharyngeal dysphagia (Figure 13-1). VFSS allows slow-motion replay of oropharyngeal swallowing. This aids in identifying defects of the oropharyngeal phase of swallowing, which normally takes less than a second to complete. Barium swallow or an upper gastrointestinal series is not useful in evaluation of oropharyngeal dysphagia. Plain radiographs and computed tomography (CT) scan of the neck are useful in evaluating structural lesions such as tumors and cysts. Imaging studies should be obtained prior to upper endoscopy, because pharyngeal and upper esophageal abnormalities such as diverticula and malignant strictures can perforate in this poorly visualized region.

Gramigna GD. How to perform videofluoroscopic swallowing studies. GI Motility Online. Available at: Http://www. nature. com/ Gimo/index. html; Doi: 10.1038/gimo95, 2006.

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