Fig. 3.

a Pre-operative long leg standing radiograph of a 14-year-old girl with an idiopathic femoral leg length discrepancy of 5 cm. b Post-operative radiographic control after the implantation of a Fitbone TAA (Telescope Active Actuator) femoral nail. c Long standing radiograph at the end of distraction after 38 days (1.18 mm/day), displaying a straight leg axis and the correction of length on the operated side of 4.5 cm. d Complete remodelled femur (1 year follow-up) after a consolidation period of 5 months