This podcast covers the JBJS issue for June 2011. Featured are articles covering: Increase in Outpatient Knee Arthroscopy in the United States, 1996 to 2006; Exposure to Ionizing Radiation and Development of Bone Sarcoma; recorded commentary by Dr. Turkelson; Change in Cartilage Thickness, Posttraumatic Bone Marrow Lesions, and Joint Fluid Volumes; recorded commentary by Dr. Potter; Multicenter Study of Complications Following Surgical Dislocation of the Hip.