PMC9852490_01
(A,B) Preoperative appearance of the right lower limb which shows that the right foot cannot touch the ground; (C,D) preoperative range of joint motion (20 -90 ); (E-G) postoperative appearance of the right lower limb and the right foot touching the ground; (H,I) postoperative range of joint motion (0 -95 ).
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F1
Ontario and McMaster Universities Osteoarthritis Index (WOMAC) was 106 (Figure 1, Table 2). Other systemic examinations were normal.
(A) Full-length x-rays of both lower limbs (weight-bearing); (B-E) anteroposterior and lateral x-rays of the knee joints and femur. The sagittal deformity angle of the femur was 30  (anterior); (F) full-length computer tomography film of right lower limb; (G,H) computer model of distal femoral osteotomy; (I) distal femur osteotomy guide plate in TKA; (J, K) osteotomy and reduction guide plate for extra-articular deformities; (L,M) models of femur in lateral and overhead positions after the osteotomy.
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F2
Ontario and McMaster Universities Osteoarthritis Index (WOMAC) was 106 (Figure 1, Table 2). Other systemic examinations were normal. X-ray and CT showed that the patient's right knee joint space was narrow, with a right femoral flexion deformity (30 , sagittal, anterior) (Figure 2).