Rapid Destructive Arthropathy of the Knee in Parkinson’s Disease with Pisa Syndrome: A Case of Knee-Spine Syndrome

<div>Preoperative radiographs of the left knee. (a) Radiograph at the first visit to our hospital shows Kellgren-Lawrence grade II and mild osteoarthritis of the lateral joint surface. (b) Radiograph at 1 month later shows Kellgren-Lawrence classification grade IV and severe valgus osteoarthritis.</div>

Case Reports in Orthopedics

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Figure 3

Figure 3: Rapid Destructive Arthropathy of the Knee in Parkinson’s Disease with Pisa Syndrome: A Case of Knee-Spine Syndrome 