Anteater nose sign (foot)

Dr Dan J Bell and Dr Andrew Dixon et al.

The anteater nose sign refers to an anterior tubular elongation of the superior calcaneus which approaches or overlaps the navicular on a lateral radiograph of the foot. This fancifully resembles the nose of an anteater and is indicative of calcaneonavicular coalition 1,2

History and etymology

The sign was first described by Oestreich et al in 1987 1.

See also

Inspired signs
Share article

Article information

rID: 9998
Section: Signs
Tag: refs
Synonyms or Alternate Spellings:
  • Anteater sign
  • Anteater's nose sign
  • Ant-eater nose sign

Support Radiopaedia and see fewer ads

Cases and figures

  • Drag
    Figure 1: photograph - anteater
    Drag here to reorder.
  • Drag
    Calcaneonavicular...
    Case 1
    Drag here to reorder.
  • Drag
    Case 2
    Drag here to reorder.
  • Drag
    Case 3
    Drag here to reorder.
  • Drag
    Case 4
    Drag here to reorder.
  • Drag
    Case 5
    Drag here to reorder.
  • Updating… Please wait.
    Loadinganimation

    Alert accept

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

    Alert accept Thank you for updating your details.