目的分析比较关节镜下单束单隧道与双束股骨双隧道重建后十字韧带（PCL）术后的临床效果。
Objective To compare the clinical effects of the reconstruction with uni- and double-bundle for the posterior cruciate ligament (PCL) under arthroscopy.
采用常规组织学方法，观察前十字韧带重建后这两种韧带止点在术后1.5、3、6、12个月时的组织学表现。
Standard HE stain was performed for histological observation at the 1.5,3,6 and 12- month after the operation.
采用常规组织学方法，观察前十字韧带重建后这两种韧带止点在术后1.5、3、6、12个月时的组织学表现。
Standard HE stain was performed for histological observation at the 1.5,3,6 and 12- month after the operation.
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