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.

Share article

Article information

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

Support Radiopaedia and see fewer ads

Cases and figures

  • Figure 1: illustration - French cockade
    Drag here to reorder.
  • Case 1
    Drag here to reorder.
  • Case 2
    Drag here to reorder.
  • Note early  calci...
    Case 3
    Drag here to reorder.
  • Case 4
    Drag here to reorder.
  • Case 5
    Drag here to reorder.
  • Case 6
    Drag here to reorder.
  • Updating… Please wait.

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

     Thank you for updating your details.