This podcast covers the JBJS issue for March 2011. Featured are articles covering: Failure Mode Classification for Tumor Endoprostheses - Retrospective Review of Five Institutions and a Literature Review; recorded commentary by Dr. Springfield; Are Dropped Osteoarticular Bone Fragments Safely Reimplantable in Vivo?; Single-Event Multilevel Surgery in Children with Spastic Diplegia - A Pilot Randomized Controlled Trial; recorded commentary by Dr. Abel; Prospective Randomized Evaluation of the Need for Blood Transfusion During Primary Total Hip Arthroplasty with Use of a Bipolar Sealer; Interferon-/ Receptor as a Prognostic Marker in Osteosarcoma.