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Radial Collateral Ligament Injury
Andrew Sonin, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Radial collateral ligament (RCL)
              • Synonyms

                • Lateral collateral ligament (LCL) injury
              • Definitions

                • Sprain, partial tear, or complete disruption of RCL
                • LCL complex = RCL, lateral ulnar collateral ligament (LUCL), annular ligament

              IMAGING

              • General Features

                • Radiographic Findings

                  • MR Findings

                    • Ultrasonographic Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            • Staging, Grading, & Classification

                              CLINICAL ISSUES

                              • Presentation

                                • Natural History & Prognosis

                                  • Treatment

                                    DIAGNOSTIC CHECKLIST

                                    • Consider

                                      • Image Interpretation Pearls

                                        • Reporting Tips

                                          Selected References

                                          1. Acosta Batlle J et al: The elbow: review of anatomy and common collateral ligament complex pathology using MRI. Insights Imaging. 10(1):43, 2019
                                          2. Conti Mica M et al: Lateral collateral ligament injuries of the elbow - chronic posterolateral rotatory instability (PLRI). EFORT Open Rev. 1(12):461-8, 2016
                                          3. De Maeseneer M et al: Ultrasound of the elbow with emphasis on detailed assessment of ligaments, tendons, and nerves. Eur J Radiol. 84(4):671-81, 2015
                                          4. Magee T: Accuracy of 3-T MR arthrography versus conventional 3-T MRI of elbow tendons and ligaments compared with surgery. AJR Am J Roentgenol. 204(1):W70-5, 2015
                                          5. Jacobson JA et al: Radial collateral ligament of the elbow: sonographic characterization with cadaveric dissection correlation and magnetic resonance arthrography. J Ultrasound Med. 33(6):1041-8, 2014
                                          6. Schreiber JJ et al: Magnetic resonance imaging findings in acute elbow dislocation: insight into mechanism. J Hand Surg Am. 39(2):199-205, 2014
                                          7. Konin GP et al: US of the elbow: indications, technique, normal anatomy, and pathologic conditions. Radiographics. 33(4):E125-47, 2013
                                          8. Rhyou IH et al: Collateral ligament injury in the displaced radial head and neck fracture: correlation with fracture morphology and management strategy to the torn ulnar collateral ligament. J Shoulder Elbow Surg. 22(2):261-7, 2013
                                          9. Rhyou IH et al: Dual reconstruction of the radial collateral ligament and lateral ulnar collateral ligament in posterolateral rotator instability of the elbow. Knee Surg Sports Traumatol Arthrosc. 19(6):1009-12, 2011
                                          10. Husarik DB et al: Ligaments and plicae of the elbow: normal MR imaging variability in 60 asymptomatic subjects. Radiology. 257(1):185-94, 2010
                                          11. Zoner CS et al: Detailed MRI-anatomic study of the lateral epicondyle of the elbow and its tendinous and ligamentous attachments in cadavers. AJR Am J Roentgenol. 195(3):629-36, 2010
                                          12. Fern SE et al: Complex varus elbow instability: a terrible triad model. J Shoulder Elbow Surg. 18(2):269-74, 2009
                                          13. Charalambous CP et al: Posterolateral rotatory instability of the elbow. J Bone Joint Surg Br. 90(3):272-9, 2008
                                          14. Tran N et al: Ultrasonography of the elbow. Semin Musculoskelet Radiol. 11(2):105-16, 2007
                                          15. Kijowski R et al: Magnetic resonance imaging of the elbow. Part II: abnormalities of the ligaments, tendons, and nerves. Skeletal Radiol. 34(1):1-18, 2005
                                          16. Mehta JA et al: Posterolateral rotatory instability of the elbow. J Am Acad Orthop Surg. 12(6):405-15, 2004
                                          17. Steinbach LS et al: Magnetic resonance imaging of the elbow. Eur J Radiol. 25(3):223-41, 1997
                                          Related Anatomy
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                                          Related Differential Diagnoses
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                                          References
                                          Tables

                                          Tables

                                          KEY FACTS

                                          • Terminology

                                            • Imaging

                                              • Top Differential Diagnoses

                                                • Pathology

                                                  • Clinical Issues

                                                    • Diagnostic Checklist

                                                      TERMINOLOGY

                                                      • Abbreviations

                                                        • Radial collateral ligament (RCL)
                                                      • Synonyms

                                                        • Lateral collateral ligament (LCL) injury
                                                      • Definitions

                                                        • Sprain, partial tear, or complete disruption of RCL
                                                        • LCL complex = RCL, lateral ulnar collateral ligament (LUCL), annular ligament

                                                      IMAGING

                                                      • General Features

                                                        • Radiographic Findings

                                                          • MR Findings

                                                            • Ultrasonographic Findings

                                                              • Imaging Recommendations

                                                                DIFFERENTIAL DIAGNOSIS

                                                                  PATHOLOGY

                                                                  • General Features

                                                                    • Staging, Grading, & Classification

                                                                      CLINICAL ISSUES

                                                                      • Presentation

                                                                        • Natural History & Prognosis

                                                                          • Treatment

                                                                            DIAGNOSTIC CHECKLIST

                                                                            • Consider

                                                                              • Image Interpretation Pearls

                                                                                • Reporting Tips

                                                                                  Selected References

                                                                                  1. Acosta Batlle J et al: The elbow: review of anatomy and common collateral ligament complex pathology using MRI. Insights Imaging. 10(1):43, 2019
                                                                                  2. Conti Mica M et al: Lateral collateral ligament injuries of the elbow - chronic posterolateral rotatory instability (PLRI). EFORT Open Rev. 1(12):461-8, 2016
                                                                                  3. De Maeseneer M et al: Ultrasound of the elbow with emphasis on detailed assessment of ligaments, tendons, and nerves. Eur J Radiol. 84(4):671-81, 2015
                                                                                  4. Magee T: Accuracy of 3-T MR arthrography versus conventional 3-T MRI of elbow tendons and ligaments compared with surgery. AJR Am J Roentgenol. 204(1):W70-5, 2015
                                                                                  5. Jacobson JA et al: Radial collateral ligament of the elbow: sonographic characterization with cadaveric dissection correlation and magnetic resonance arthrography. J Ultrasound Med. 33(6):1041-8, 2014
                                                                                  6. Schreiber JJ et al: Magnetic resonance imaging findings in acute elbow dislocation: insight into mechanism. J Hand Surg Am. 39(2):199-205, 2014
                                                                                  7. Konin GP et al: US of the elbow: indications, technique, normal anatomy, and pathologic conditions. Radiographics. 33(4):E125-47, 2013
                                                                                  8. Rhyou IH et al: Collateral ligament injury in the displaced radial head and neck fracture: correlation with fracture morphology and management strategy to the torn ulnar collateral ligament. J Shoulder Elbow Surg. 22(2):261-7, 2013
                                                                                  9. Rhyou IH et al: Dual reconstruction of the radial collateral ligament and lateral ulnar collateral ligament in posterolateral rotator instability of the elbow. Knee Surg Sports Traumatol Arthrosc. 19(6):1009-12, 2011
                                                                                  10. Husarik DB et al: Ligaments and plicae of the elbow: normal MR imaging variability in 60 asymptomatic subjects. Radiology. 257(1):185-94, 2010
                                                                                  11. Zoner CS et al: Detailed MRI-anatomic study of the lateral epicondyle of the elbow and its tendinous and ligamentous attachments in cadavers. AJR Am J Roentgenol. 195(3):629-36, 2010
                                                                                  12. Fern SE et al: Complex varus elbow instability: a terrible triad model. J Shoulder Elbow Surg. 18(2):269-74, 2009
                                                                                  13. Charalambous CP et al: Posterolateral rotatory instability of the elbow. J Bone Joint Surg Br. 90(3):272-9, 2008
                                                                                  14. Tran N et al: Ultrasonography of the elbow. Semin Musculoskelet Radiol. 11(2):105-16, 2007
                                                                                  15. Kijowski R et al: Magnetic resonance imaging of the elbow. Part II: abnormalities of the ligaments, tendons, and nerves. Skeletal Radiol. 34(1):1-18, 2005
                                                                                  16. Mehta JA et al: Posterolateral rotatory instability of the elbow. J Am Acad Orthop Surg. 12(6):405-15, 2004
                                                                                  17. Steinbach LS et al: Magnetic resonance imaging of the elbow. Eur J Radiol. 25(3):223-41, 1997