- Osseous
- Cartilaginous
- Fibrous
- Reticuloendothelial
- Eosinophilic granuloma
- Ewing’s sarcoma
- Hands Schuller Christian
- Letterer Siwe disease
- Reticulum cell sarcoma
- Vascular
- Aneurysmal bone cyst
- Angiosarcoma
- Haemangioendothelioma
- Haemangioma
- Haemangiopericytoma
- Unknown origin
- Adamantinoma
- Chordoma
- Giant Cell Sarcoma
- Giant Cell Tumor
- Simple bone cyst
- Misc: