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新骨形成,但此期主要是骨吸收的表現。 Emerson異體骨板整合X線分期Emerson將組織學研究與X線表現相對應,提出了異體骨板整合的X線分期,從而指導臨床醫(yī)師判斷異體骨整合情況。~ 30176。;輕度15176。Type III was defined as severe valgus deformity with valgus malpositioning of the proximal tibial joint line after overcorrected proximal tibial osteotomy.Keblish分級正常 5176。膝外翻分型Krackow分型Krackow KA et al. Primary total knee arthroplasty in patients with fixed valgus deformity. CORR, 1991, 273:918Type I was defined as valgus deformity secondary to bone loss in the lateral partment and softtissue contracture with medial soft tissues intact。Ⅱ型缺損:干骺端骨皮質缺損,股骨假體下沉,脛骨假體下沉至腓骨頭或低于腓骨頭水平。Anderson骨科研究所骨缺損分型(AORI分型)Ⅰ型缺損:股骨遠端及脛骨近端干骺端骨皮質完整,僅有輕度骨缺損,股骨及脛骨假體均無下沉。:前期:髖臼角異常增大,CE角20度,關節(jié)間隙正常,負重區(qū)硬化;初期:髖關節(jié)間隙變窄,負重關節(jié)面硬化,骨刺形成,髖臼與股骨頭匹配差;進展期:關節(jié)面增生,關節(jié)間隙明顯狹窄,股骨頭向外移位,負重區(qū)骨硬化、囊性變;晚期:髖關節(jié)間隙消失,股骨頭塌陷、變形、磨損、向外上移位,髖臼外側緣明顯增生、硬化。但對繼發(fā)的病理改變如OAH缺乏分期描述。內翻型:中立位關節(jié)面對應不良,外展位關節(jié)面對應良好,病理形態(tài)在外展位可得到明顯改善