Anteater nose sign (foot)

Last revised by Dr Daniel J Bell on 22 Jun 2021

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

See also

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Cases and figures

  • Figure 1: photograph - anteater
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  • Case 1
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  • Case 2
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  • Case 4
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  • Case 5
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  • Case 7
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