总结：一同侧股骨颈及远端股骨干骨折的49岁病人，用一长骨髓内钉带髋关节螺钉治疗。
Summary: a 49-year-old patient sustained an ipsilateral fracture of the lateral femoral neck and distal femoral shaft, which were treated with a long intramedullary nail with a hip screw component.
在股骨干骨折的患者打髓内钉时，远端锁定是非常有挑战性的一步，且该过程会增加射线的照射。
Distal locking is one challenging step during intramedullary nailing of femoral shaft fractures that can lead to an increase of radiation exposure.
结论：股骨远端、胫骨干骺端斑点状钙化影是骨梗塞的X线特征。
Conclusion: the X-ray character of infarction of bone is at the distal end of the femur, and the metaphysic of the tibia spot calcification shadows.
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