Intramedullary versus extramedullary femoral alignment systems in total knee replacement.


The accuracy of intramedullary (IM) versus extramedullary (EM) distal femoral alignment systems was compared in 200 consecutive total knee replacements (TKRs) on standing full-length lower-extremity roentgenographs. Intramedullary femoral alignment systems were used in 125 TKRs and an EM system was used in 75 TKRs. All tibial cuts were made using an EM… (More)


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