RT Book, Section A1 Richards, Stephens A2 Rudolph, Colin D. A2 Rudolph, Abraham M. A2 Lister, George E. A2 First, Lewis R. A2 Gershon, Anne A. SR Print(0) ID 7020837 T1 Chapter 219. Tumors T2 Rudolph's Pediatrics, 22e YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-149723-7 LK accesspediatrics.mhmedical.com/content.aspx?aid=7020837 RD 2024/04/20 AB Osteochondroma, a cartilage-capped bony projection protruding from the surface of a bone, is the most common benign bone tumor. It reportedly accounts for 36% to 41% of all bone tumors.1 More than 50% of solitary osteochondromas occur in the metaphyseal area of the knee (distal femur and proximal tibia) and shoulder (proximal humerus) (Fig. 219-1).