link
Bookmarks
Osteochondral Injury, Knee
Andrew Sonin, MD, FACR; Donna G. Blankenbaker, MD
To access 4,300 diagnoses written by the world's leading experts in radiology, please log in or subscribe.Log inSubscribe
0
31
6
1

KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Osteochondral fracture (OCF), osteochondritis dissecans (OCD), osteochondral lesion
              • Synonyms

                • Osteochondritis dissecans, osteochondral defect
              • Definitions

                • Injury resulting in fracture line extending through articular cartilage and some portion of underlying bone
                • May or may not result in displaced fragment
                • OCD
                  • Term historically used to describe OCF of knee in adolescents
                  • Some believe this is also due to a component of osteonecrosis
                  • Medial femoral condyle in 85%
                    • Lateral weight-bearing aspect in 70% of these

              IMAGING

              • General Features

                • Radiographic Findings

                  • CT Findings

                    • MR Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • Staging, Grading, & Classification

                            • Gross Pathologic & Surgical Features

                              • Microscopic Features

                                CLINICAL ISSUES

                                • Presentation

                                  • Demographics

                                    • Natural History & Prognosis

                                      • Treatment

                                        DIAGNOSTIC CHECKLIST

                                        • Consider

                                          • Reporting Tips

                                            Selected References

                                            1. Ghahremani S et al: Osteochondral lesions in pediatric and adolescent patients. Semin Musculoskelet Radiol. 18(5):505-12, 2014
                                            2. Zbojniewicz AM et al: Imaging of osteochondritis dissecans. Clin Sports Med. 33(2):221-50, 2014
                                            3. Jans LB et al: MRI differentiates femoral condylar ossification evolution from osteochondritis dissecans. A new sign. Eur Radiol. 21(6):1170-9, 2011
                                            4. Uozumi H et al: Histologic findings and possible causes of osteochondritis dissecans of the knee. Am J Sports Med. 37(10):2003-8, 2009
                                            5. Kijowski R et al: Juvenile versus adult osteochondritis dissecans of the knee: appropriate MR imaging criteria for instability. Radiology. 248(2):571-8, 2008
                                            6. Potter HG et al: Magnetic resonance imaging of cartilage repair. Sports Med Arthrosc. 16(4):236-45, 2008
                                            7. Walsh SJ et al: Large osteochondral fractures of the lateral femoral condyle in the adolescent: outcome of bioabsorbable pin fixation. J Bone Joint Surg Am. 90(7):1473-8, 2008
                                            8. Ramnath RR et al: MR appearance of SONK-like subchondral abnormalities in the adult knee: SONK redefined. Skeletal Radiol. 33(10):575-81, 2004
                                            9. Alleyne KR et al: Management of osteochondral injuries of the knee. Clin Sports Med. 20(2):343-64, 2001
                                            10. Cain EL et al: Treatment algorithm for osteochondral injuries of the knee. Clin Sports Med. 20(2):321-42, 2001
                                            11. Farmer JM et al: Chondral and osteochondral injuries. Diagnosis and management. Clin Sports Med. 20(2):299-320, 2001
                                            12. Loredo R et al: Imaging of osteochondral injuries. Clin Sports Med. 20(2):249-78, 2001
                                            13. Sledge SL: Microfracture techniques in the treatment of osteochondral injuries. Clin Sports Med. 20(2):365-77, 2001
                                            14. Tamburrini O et al: ["Occult" posttraumatic lesions of the knee: can magnetic resonance substitute for diagnostic arthroscopy?.] Radiol Med. 94(5):433-9, 1997
                                            Related Anatomy
                                            Loading...
                                            Related Differential Diagnoses
                                            Loading...
                                            References
                                            Tables

                                            Tables

                                            KEY FACTS

                                            • Terminology

                                              • Imaging

                                                • Top Differential Diagnoses

                                                  • Pathology

                                                    • Clinical Issues

                                                      • Diagnostic Checklist

                                                        TERMINOLOGY

                                                        • Abbreviations

                                                          • Osteochondral fracture (OCF), osteochondritis dissecans (OCD), osteochondral lesion
                                                        • Synonyms

                                                          • Osteochondritis dissecans, osteochondral defect
                                                        • Definitions

                                                          • Injury resulting in fracture line extending through articular cartilage and some portion of underlying bone
                                                          • May or may not result in displaced fragment
                                                          • OCD
                                                            • Term historically used to describe OCF of knee in adolescents
                                                            • Some believe this is also due to a component of osteonecrosis
                                                            • Medial femoral condyle in 85%
                                                              • Lateral weight-bearing aspect in 70% of these

                                                        IMAGING

                                                        • General Features

                                                          • Radiographic Findings

                                                            • CT Findings

                                                              • MR Findings

                                                                • Imaging Recommendations

                                                                  DIFFERENTIAL DIAGNOSIS

                                                                    PATHOLOGY

                                                                    • Staging, Grading, & Classification

                                                                      • Gross Pathologic & Surgical Features

                                                                        • Microscopic Features

                                                                          CLINICAL ISSUES

                                                                          • Presentation

                                                                            • Demographics

                                                                              • Natural History & Prognosis

                                                                                • Treatment

                                                                                  DIAGNOSTIC CHECKLIST

                                                                                  • Consider

                                                                                    • Reporting Tips

                                                                                      Selected References

                                                                                      1. Ghahremani S et al: Osteochondral lesions in pediatric and adolescent patients. Semin Musculoskelet Radiol. 18(5):505-12, 2014
                                                                                      2. Zbojniewicz AM et al: Imaging of osteochondritis dissecans. Clin Sports Med. 33(2):221-50, 2014
                                                                                      3. Jans LB et al: MRI differentiates femoral condylar ossification evolution from osteochondritis dissecans. A new sign. Eur Radiol. 21(6):1170-9, 2011
                                                                                      4. Uozumi H et al: Histologic findings and possible causes of osteochondritis dissecans of the knee. Am J Sports Med. 37(10):2003-8, 2009
                                                                                      5. Kijowski R et al: Juvenile versus adult osteochondritis dissecans of the knee: appropriate MR imaging criteria for instability. Radiology. 248(2):571-8, 2008
                                                                                      6. Potter HG et al: Magnetic resonance imaging of cartilage repair. Sports Med Arthrosc. 16(4):236-45, 2008
                                                                                      7. Walsh SJ et al: Large osteochondral fractures of the lateral femoral condyle in the adolescent: outcome of bioabsorbable pin fixation. J Bone Joint Surg Am. 90(7):1473-8, 2008
                                                                                      8. Ramnath RR et al: MR appearance of SONK-like subchondral abnormalities in the adult knee: SONK redefined. Skeletal Radiol. 33(10):575-81, 2004
                                                                                      9. Alleyne KR et al: Management of osteochondral injuries of the knee. Clin Sports Med. 20(2):343-64, 2001
                                                                                      10. Cain EL et al: Treatment algorithm for osteochondral injuries of the knee. Clin Sports Med. 20(2):321-42, 2001
                                                                                      11. Farmer JM et al: Chondral and osteochondral injuries. Diagnosis and management. Clin Sports Med. 20(2):299-320, 2001
                                                                                      12. Loredo R et al: Imaging of osteochondral injuries. Clin Sports Med. 20(2):249-78, 2001
                                                                                      13. Sledge SL: Microfracture techniques in the treatment of osteochondral injuries. Clin Sports Med. 20(2):365-77, 2001
                                                                                      14. Tamburrini O et al: ["Occult" posttraumatic lesions of the knee: can magnetic resonance substitute for diagnostic arthroscopy?.] Radiol Med. 94(5):433-9, 1997