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Cockade sign (intraosseous lipoma)

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.

Bone tumours

The differential diagnosis for bone tumors is dependent on the age of the patient, with a very different set of differentials for the pediatric patient.

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Article information

rID: 22033
Section: Signs
Synonyms or Alternate Spellings:
  • Cockade sign (calcaneal lipoma)
  • Cockade image

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Cases and figures

  • Figure 1: illustration - French cockade
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