Fig. 2From: Reconstruction with a novel combined hemipelvic endoprosthesis after resection of periacetabular tumors involving the sacroiliac joint: a report of 25 consecutive casesReconstruction with the combined hemipelvic endoprosthesis after tumor resection. a Preoperative X-ray of a patient with osteosarcoma. b Preoperative magnetic resonance imaging (MRI) showing involvement of sections I, II and IV of the pelvis. c Postoperative X-ray showing reconstruction with the combined hemipelvic endoprosthesis. d Functional status 11 months after surgery. e Extra screw fixation to the S1 vertebra added based on finite element (FE) study resultsBack to article page