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megaesophagus

Etiology: - Chaga's disease - achalasia Pathology: - loss of ganglion cells of the myenteric plexus - the esophagus is enlarged - peristalsis fails to occur properly - persistent contraction of the lower esophageal sphincter Clinical manifestations: - dysphagia Radiology: - barium swallow

General

esophageal disease

References

  1. Wikipedia: Megaesophagus http://en.wikipedia.org/wiki/Megaesophagus