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[edit] Discussion

  • Failure of the lower esophageal sphincter (LES) to relax.
  • Primary achalasia: associated with loss of ganglion cells in the esophageal myenteric plexus.
  • Secondary achalasia is relatively uncommon. Etiologies include certain malignancies, diabetes mellitus, and Chagas disease.

[edit] Imaging Findings

[edit] Esophogram

  • The distal esophagus is narrowed and has been described as resembling a bird's beak.

[edit] Images

Patient #1: Classic appearance of achalasia on radiographs

Patient #2: Achalasia in a patient with Allgrove syndrome

[edit] See Also

[edit] External Links

[edit] References