Nomenclature: Spontaneous osteonecrosis of the knee (SONK) was previously used synonymously, but term is considered misnomer given underlying etiopathogenesis corresponds to insufficiency fracture.
命名：既往曾称为膝关节自发性骨坏死，但这一命名不能反映技能不全性骨折的发病机理。
Objective To summarize the difference between spontaneous and secondary osteonecrosis of knee joint through comparing the clinical and imaging features of the osteonecrosis in the knee joint.
目的比较自发性和继发性膝关节骨坏死的临床特点、影像学特征并总结两者的区别。
Objective To summarize the difference between spontaneous and secondary osteonecrosis of knee joint through comparing the clinical and imaging features of the osteonecrosis in the knee joint.
目的比较自发性和继发性膝关节骨坏死的临床特点、影像学特征并总结两者的区别。
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