Functional Magnetic Resonance in the Evaluation of Oesophageal Motility Disorders
Advanced achalasia. Images acquired at 5 sec (a) and 20 sec (b) after bolus administration show distension of the oesophageal lumen (>60 mm) and replacement of the normal peristalsis by tertiary activity. The bolus does not progress into the stomach due to LES abnormalities.
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