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A routine series of plain film radiographs of (A) standing anteroposterior bilateral knees; (B) lateral view left knee, which reveals patellofemoral osteophytes and joint-space narrowing; (C) sunrise left knee, which reveals a narrowed joint space as well as the presence of trochlear dysplasia and patellar tilt; and (d) long leg alignment preoperative radiographs. Full-length standing radiographs should be obtained to assess overall mechanical axis.
