Novel diagnostic procedure Use of 3D modelling and 3D printing for the diagnostic process, decision making and preoperative planning of periprosthetic acetabular fractures Giuseppe Marongiu1, Roberto Prost2 and Antonio Capone1 1 Orthopedic and Trauma Clinic, University of Cagliari, Cagliari, Sardegna, Italy 2 Radiology, Azienda Ospedaliera Brotzu, Cagliari, Sardegna, Italy Correspondence to Dr Giuseppe Marongiu; giuse.marongiu{at}gmail.com Abstract Periprosthetic acetabular fractures...