Rat-tail sign (esophagus)

The rat-tail sign is used to refer to the tapering of the inferior esophagus in achalasia. The same appearance (although it is difficult to see the similarity) is also referred to as the ​bird beak sign (esophagus)

Inspired signs
Share article

Article information

rID: 5997
Section: Signs
Tag: refs
Synonyms or Alternate Spellings:
  • rat-tail sign
  • Rat's tail sign

Support Radiopaedia and see fewer ads

Cases and figures

  • Photograph - rat's tail :)
    Drag here to reorder.
  •  Case 1
    Drag here to reorder.
  • Case 2
    Drag here to reorder.
  • Case 3
    Drag here to reorder.
  • Updating… Please wait.

     Unable to process the form. Check for errors and try again.

     Thank you for updating your details.