PMC7476687_01
PMC7476687_02
X-ray of the right knee joint shows severe valgus deformity and bone defect at the posterolateral tibial plateau.
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F1
A plain radiograph of the right knee showed severe valgus and recurvatum deformity with a severe bone defect at the posterolateral tibial plateau (Fig. 1), while that of the left knee showed varus deformity with a large calcified loose body in the suprapatellar pouch (Fig. 2).
X-ray of the axial view of the patellofemoral joint shows lateral patella subluxation of the right knee.
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F3
Moreover, lateral patellar subluxation of the right knee was evident (Fig. 3).
X-ray of the standing longleg anterior-posterior view shows that the anatomic femorotibial angle was 140at the right and 180at the left (the so-called windswept deformity).
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F4
The anatomic femorotibial angle was 140at the right and 180at the left (the so-called windswept deformity) (Fig. 4).
X-ray of after total knee arthroplasty shows that there are no signs of loosening and fracture.
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F5
There were no signs of loosening or fracture (Fig. 5).