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
- Polyostotic conditions
- Juxta-articular bone lesions
- Epiphyseal bone lesions
- Epiphyseal-metaphyseal bone lesions
- Metaphyseal and metaphyseal-diaphyseal bone lesions
- Diaphyseal bone lesions
- Parosteal bone lesions
- Anterior bone spine
- Sacrum bone lesions
Last Updated on June 27, 2024
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