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Fig. 1 | BMC Musculoskeletal Disorders

Fig. 1

From: Potential anatomic risk factors resulting oversized postoperative medial proximal tibial angle after double level osteotomy

Fig. 1

In this case, the postoperative mechanical medial proximal tibial angle (mMPTA) was 95.7° in closed wedge high tibial osteotomy (HTO) (a). When the postoperative mMPTA is more than 95° in isolated HTO, double-level osteotomy (DLO) is planned. In DLO, lateral closed wedge distal femoral osteotomy is planned so that the postoperative mechanical lateral distal femoral angle is 85°. Then, the residual deformity is corrected with HTO. This case was classified into the correctable group because the postoperative mMPTA was ≤ 95° (b)

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