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Posterior bone spine

Benign

  • Osteochondroma
  • Osteoblastoma
  • Osteoid osteoma

Malignant

  • Metastases

Notes

  • Osteoid osteoma may be difficult to identify in the posterior elements. Fine cut CT imaging may be needed for the diagnosis.
  • Osteochondromas have characteristic pedunculated appearance.
  • About 10% of metastases of the spine present in the posterior elements.

Other Differential Diagnoses by Anatomic Location

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