J Pediatr Orthop 2021 Mar 29. Epub 2021 Mar 29.
Department of Orthopaedic Surgery & Sports Medicine, Boston Children's Hospital Harvard Medical School, Harvard University, Boston, MA Department of Orthopaedic Surgery, Emory University School of Medicine, Atlanta, GA Department of Orthopaedic Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI.
Background: Current advanced imaging classification systems for osteochondritis dissecans (OCD) of the knee grade severity of disease by identifying certain lesion characteristics. The most widely used are the Hefti and Nelson systems. A novel classification presents a simpler 3-group approach to diagnose knee OCD by magnetic resonance imaging (MRI), compared with the Hefti (5-group) and Nelson (4-group) classifications. Read More