Fig. 1From: Dedifferentiated chondrsarcoma: a clinicopathologic analysis of 25 casesA 70-year-old man had right leg pain for 3 years and was diagnosed with sacral dedifferentiated chondrosarcoma. a Plain radiograph showed irregular bone destruction on the right side of sacrum. b-d Computed tomography revealed irregular bone destruction on the right side of sacrum with punctiform calcification and a soft tissue massBack to article page