1. Primary chondrosarcoma short duration, symptoms are serious, severe pain showed partial tumor and the patient, there will be the quality of evil, suffering from weight loss, anemia, loss of appetite, and so on. 2. Tumor adjacent joints can cause joint dysfunction. 3. Secondary chondrosarcoma is often benign bone tumors from the evolution from, longer course, once the malignant transformation, the more obvious symptoms, the tumor growth rate. 4. X-ray: Primary central chondrosarcoma Visibility marrow expanded, cortical bone destruction, and periosteal new bone formation reaction, there codman 1.30. If the short course, the rapid progress of osteoporosis are clearly visible damage, and soft tissue shadow of the tumor can damage metaphyseal trabecular bone, in cystic degeneration, there are scattered in the calcification, or floc patch. 5. Secondary chondrosarcoma more of a benign bone tumor typical X-ray findings in benign lesions on the basis of the foreseeable osteolytic destruction, irregular periosteal reaction, the obvious shadow or extensive soft tissue calcification without rules.
