Non-tumor
- Dural cyst
Benign
- Giant cell tumor
- Aneurysmal bone cyst
Malignant
- Chordoma
- Chondrosarcoma
Notes
- Dural cysts cause expansion of the canal with long-standing bony remodeling.
- Chordoma is a midline tumor with anterior and posterior expansion and frequent anterior soft tissue mass.
- Giant cell tumor frequently extends to sacral ala, while chondrosarcoma usually demonstrates typical chondroid matrix formation.
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
- Posterior bone spine
Last Updated on June 27, 2024
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