From the case: Achalasia

Modality: Fluoroscopy (Oblique)

- “ Achalasia in a 9 year old boy, demonstrating esophageal dilatation and a bird-beak sign. ”

Used in the following article:

  • Bird beak sign (esophagus) - “ The bird's beak sign of the esophagus is used to refer to the tapering of the inferior esophagus in achalasia. The same appearance (although it is...”
  • Achalasia - “ Achalasia (primary achalasia) is a failure of organized esophageal peristalsis causing impaired relaxation of the lower esophageal sphincter, and ...”

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