Fig. 6From: Three-dimensional printed customized uncemented unipolar prosthesis combined with ligament reconstruction for tumorous defect of the distal femur in childrenThe radiograph of case 1 showing the progressing joint space narrowing. a After the surgery, joint space was 3.5 mm; b Ten months after the surgery, joint space was 2.5 mm; c 27 months after the surgery, joint space was 1.4 mmBack to article page