Syndesmophyte

Syndesmophytes are calcifications or heterotopic ossifications inside a spinal ligament or of the annulus fibrosus.​ They are seen in only a limited number of conditions including: 

Radiographic features

Appearance on plain radiographs comprises vertical and symmetrical calcification of the lateral margins of the intervertebral disc space. 

See also

Share article

Article information

rID: 26989
Section: Gamuts
Synonyms or Alternate Spellings:
  • Syndesmophytes in bone
  • Differential diagnosis of syndesmophytes

Support Radiopaedia and see fewer ads

Cases and figures

  • Drag
    Case 1: ochronosis
    Drag here to reorder.
  • Drag
    AP radiograph
    Case 2: ankylosing spondylitis
    Drag here to reorder.
  • Drag
    Case 3: fluorosis
    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.