Benign
Subungual exostosis
Bizarre parosteal osteochonromatous proliferation
Periosteal chondroma
Enchondroma
Osteochondroma
Chondroblastoma
Chondromyxoid fibroma
Osteochondromyxoma
Intermediate (locally aggressive)
Synovial chondromatosis (not per se a bone tumour)
Malignant
Chondrosarcoma, grade 1
Chondrosarcoma, grade 2-3
Periosteal chondrosarcoma
Secondary chondrosarcoma
Clear cell chondrosarcoma
Mesenchymal chondrosarcoma
Dedifferentiated chondrosarcoma
Osteoma
Osteoid osteoma
Osteoblastoma
Low-grade central osteosarcoma
Osteosarcoma, conventional
Parosteal osteosarcoma
Periosteal osteosarcoma
High-grade surface osteosarcoma
Secondary osteosarcoma
Desmoplastic fibroma
Fibrosarcoma of bone
Aneurysmal bone cyst
Non-ossifying fibroma
Intermediate
Giant cell tumour of bone
Benign notochordal cell tumour
Conventional chordoma
Dedifferentiated chordoma
Poorly differentiated chordoma
Chondromesenchymal hamartoma of chest wall
Simple bone cyst
Fibrous dysplasia
Osteofibrous dysplasia
Fibrocartilaginous mesenchymoma
Adamantinoma / Osteofibrous dysplasia–like adamantinoma
Ewing sarcoma
Round cell sarcoma with EWSR1—non-ETS fusions
CIC-rearranged sarcoma
BCOR-altered sarcoma
Pending inclusion
Intra-osseous rhabdomyosarcoma (emerging)