Intercalary bone

Last revised by Mohammad Taghi Niknejad on 7 Mar 2022

Intercalary bones are common discal ossifications that are usually triangular in morphology, found in the anterior annular fibres of an intervertebral disc, and are thought to be degenerative in aetiology. 

Differential diagnosis

Cases and figures

  • Fig 1: limbus vertebra vs intercalary bone - illustration
  • Case 1
  • Case 2
  • Case 3
  • Case 4
  • Case 5

Imaging differential diagnosis

  • Limbus vertebra vs intercalary bone - illustration
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