Radiological Evaluation of Dysphagia

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Abstract
DYSPHAGIA is a common complaint in patients presenting for radiological or endoscopic examination of the esophagus and is usually due to functional or structural abnormalities of the esophageal body or esophagogastric region.1 We review the radiological evaluation of the esophagus and esophagogastric region in patients with esophageal dysphagia and discuss the roentgenographic techniques used, radiological efficacy for common structural disorders, and evaluation of esophageal motor function. Comparison is made with endoscopy in assessing dysphagia, with the conclusion that the radiological examination be used initially in patients with this complaint. Radiological Techniques Effective radiological evaluation of the esophagus depends on a combination of several examination techniques: (1) full column, (2) mucosal relief, (3) double contrast, and (4) recording of motion. Each technique has advantages and limitations, and no one method can evaluate adequately the esophagus in a patient with dysphagia.2 The full-column examination is performed with the patient in

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