<正>股骨头缺血坏死(Avascu-lar necrosis of thefemoral head,ANFH)病因学说分为创伤性和非创伤性两类,创伤性的多因髋部及股骨劲骨折造成股骨头供血血管断裂至缺血坏死。非创伤性类有: