Cockade sign (intraosseous lipoma)

Last revised by Dr Shervin Sharifkashani on 16 Apr 2022

The cockade sign describes the classic appearance of a calcaneal intraosseous lipoma seen as a well-defined lytic lesion with a central calcification.

History and etymology

It is named after a cockade, which is a badge, usually in the form of a rosette or knot, generally worn on the hat.

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Cases and figures

  • Figure 1: illustration - French cockade
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  • Case 1
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  • Case 2
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  • Case 3
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  • Case 7
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