Fig. 1From: Total knee arthroplasty using trochlear groove as guide for position of femoral component in severe knee osteoarthritisPreoperative computed tomography (CT) scanning. a the measurement of distances from the lowest point of trochlear groove to the midpoint of anterior condyle in CT images. Line 1: the virtual anterior condyle osteotomy line; line 2: the posterior condyle line. b the osteophytes in the patients with severe knee osteoarthritisBack to article page