The cause is unknown. There may be a history of enchondroma or osteochondroma. A small minority of secondary<unk> s occur in people with Maffucci syndrome and Ollier disease. It has been associated with faulty isocitrate dehydrogenase 1 and 2 enzymes, which are also associated with gliomas and leukemias.
Chondrosarcoma
Enchondroma
Fibrosarcoma
Myxoid cyst
Chondroma
Osteoblastoma
Liposarcoma
Synovial sarcoma