Benign
Posterior elements
- Osteoid Osteoma
- Osteoblastoma
- ABC
Anterior
- Giant Cell tumour
- EG
- Hemangioma
Malignant
Primary
- Chordoma
- Ewings
- Osteosarcoma
- Chondrosarcoma
- Multiple myeloma
Secondary
- Lymphoma / Leukaemia
- metastasis
DDx by Site
Posterior elements
- OO, OB
- ABC
Vertebral body
- Giant cell
- Hemangioma
Sacrum
- chordoma
- Ewings