Fig. 4From: Three-dimensional-printed custom-made hemipelvic endoprosthesis for primary malignancies involving acetabulum: the design solution and surgical techniquesThe endoprosthesis (orange) was composed of solid structure and porous structure, and matched bone defect. “Arc-like” supporting structure (cyan) distributed along arcuate line. Six radial screws fixed the endoprosthesis to the residual ilium, and two screws fixed the endoprosthesis to contralateral pubisBack to article page