Fig. 2From: Radiographic and clinical evidence: osteoarthritic knee can change surgical result for lumbar degenerative disease patient undergone surgery for 3-year follow-up: a retrospective comparative clinical studyA case of 67-year old female patient, who underwent L3-L5 instrumented fusion. a Preoperative standing knee AP radiograph shows severe (KLG 4) knee OA. Whole spine stnading lateral radiographs taken at b the preoperative, c the postoperative 1 month, and d the postoperative 3-year follow-up show reaggravation of radiographic sagittal balance which was improved at postoperative 1 monthBack to article page