X线显示股骨远端干骺区的骨肉瘤。肿瘤侵袭破坏骨皮质，并向软组织蔓延，可见伴有钙化的不规则肿瘤性骨样组织。左侧可见骨膜被掀起。
骨肉瘤：股骨(肉眼) 胫骨(肉眼) 股骨远端X线 低倍镜 高倍镜
This is a radiograph of an osteosarcoma involving the metaphyseal region of the distal femur. The tumor erodes and destroys the bone cortex, extending into soft tissue where irregular tumor bone with calcification is seen. At the left, the periosteum is being lifted off.