Functional Magnetic Resonance in the Evaluation of Oesophageal Motility Disorders
Figure 2
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.
