A 60-year old male pressents with progressivp difficulty in swallowing, vomiting and ocLsional regurgitation for the past 3 months. Barium studies showed marked dilatation of the upper esophagus with narrowmg of the lower segment. Manometry showed absent esophageal peristalsis. The pathogenesis of this condition is most likely related to-
A 60-year old male pressents with progressivp difficulty in swallowing, vomiting and ocLsional regurgitation for the past 3 months. Barium studies showed marked dilatation of the upper esophagus with narrowmg of the lower segment. Manometry showed absent esophageal peristalsis. The pathogenesis of this condition is most likely related to-
💡 Explanation
A 60-year old male pressents with progressivp difficulty in swallowing, vomiting and ocLsional regurgitation for the past 3 months. Barium studies showed marked dilatation of the upper esophagus with narrowmg of the lower segment. Manometry showed absent esophageal peristalsis. The pathogenesis of this condition is most likely related to-
✓ Correct Answer: D. Absence of ganglion cells in the myenteric plexus of the esophagus
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