Compared clinical, radiological and pathological features of enchondroma and low-grade chondrosarcoma
| Enchondroma | Low-grade chondrosarcoma | |
| History and physical examination | Younger patients Rarely pain Appendicular skeleton Phalanx, Ec almost 100% | Patients aged >25 years Inflammatory pain Axial skeleton |
| Imaging | No periosteal reaction No or minimal endosteal scalloping No changes during follow-up No soft tissue mass | Periosteal reaction and microfractures Endosteal scalloping Malignat change during follow-up Soft tissue mass |
| Biopsy | Typical encasement pattern No endosteal scalloping Multinodular aspect Surrounded by lamellar bone Not involved in bone marrow | Involved Haversian system Periosteal reaction, endosteal scalloping Occasional necrotic and haemorrhagic foci Involved in bone marrow |