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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

From: Do acute inflammatory cytokines affect 3- and 12-month postoperative functional outcomes–a prospective cohort study of 12 patients with proximal tibia fractures

Fig. 3

Plateau, step-off and gap criteria measured on postoperative CT 12 months after knee surgery. 3a and 3b, Widening of tibial plateau. 3c and 3d, Step offs: Drawing a line from the lateral edge of the affected compartment of the tibial plateau into the intact tibial plateau line (ITPL, green line) and subsequently drawing a line perpendicular from the ITPL down to the deepest point of the step-off (red line). Mean distance between planes is the distance of the step-off. 3e, Gap: Drawing a line between the lateral and medial edge of the femur condyle (green line). Midpoint is then located (white line). Perpendicular line (red line) is drawn downwards through femur and tibia. The distance between the femur and tibia is the gap (blue line)

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