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Lateral Ulnar Collateral Ligament Injury
Andrew Sonin, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Diagnostic Checklist

            TERMINOLOGY

            • Abbreviations

              • Lateral ulnar collateral ligament (LUCL), radial collateral ligament (RCL), lateral collateral ligament (LCL) complex = LUCL + RCL + annular ligament
            • Synonyms

              • Posterolateral rotatory instability of elbow (PLRI)

            IMAGING

            • General Features

              • Radiographic Findings

                • MR Findings

                  • Ultrasonographic Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Staging, Grading, & Classification

                            CLINICAL ISSUES

                            • Presentation

                              • Treatment

                                DIAGNOSTIC CHECKLIST

                                • Consider

                                  • Image Interpretation Pearls

                                    Selected References

                                    1. Bonnaig NS et al: Repair and reconstruction of the lateral ulnar collateral ligament. Instr Course Lect. 64:243-6, 2015
                                    2. Anakwenze OA et al: Posterolateral rotatory instability of the elbow. Am J Sports Med. 42(2):485-91, 2014
                                    3. Daluiski A et al: Direct repair for managing acute and chronic lateral ulnar collateral ligament disruptions. J Hand Surg Am. 39(6):1125-9, 2014
                                    4. Kim BS et al: Ligamentous repair of acute lateral collateral ligament rupture of the elbow. J Shoulder Elbow Surg. 22(11):1469-73, 2013
                                    5. Konin GP et al: US of the elbow: indications, technique, normal anatomy, and pathologic conditions. Radiographics. 33(4):E125-47, 2013
                                    6. 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
                                    7. Wenzke DR: MR Imaging of the Elbow in the Injured Athlete. Radiol Clin North Am. 51(2):195-213, 2013
                                    8. 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
                                    9. Husarik DB et al: Ligaments and plicae of the elbow: normal MR imaging variability in 60 asymptomatic subjects. Radiology. 257(1):185-94, 2010
                                    10. 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
                                    11. Stewart B et al: Sonography of the lateral ulnar collateral ligament of the elbow: study of cadavers and healthy volunteers. AJR Am J Roentgenol. 193(6):1615-9, 2009
                                    12. Cheung EV: Chronic lateral elbow instability. Orthop Clin North Am. 39(2):221-8, vi-vii, 2008
                                    13. Tran N et al: Ultrasonography of the elbow. Semin Musculoskelet Radiol. 11(2):105-16, 2007
                                    14. Mehta JA et al: Posterolateral rotatory instability of the elbow. J Am Acad Orthop Surg. 12(6):405-15, 2004
                                    15. Potter HG et al: Posterolateral rotatory instability of the elbow: usefulness of MR imaging in diagnosis. Radiology. 204(1):185-9, 1997
                                    16. O'Driscoll SW: Elbow instability. Hand Clin. 10(3):405-15, 1994
                                    Related Anatomy
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                                    Related Differential Diagnoses
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                                    References
                                    Tables

                                    Tables

                                    KEY FACTS

                                    • Terminology

                                      • Imaging

                                        • Top Differential Diagnoses

                                          • Pathology

                                            • Diagnostic Checklist

                                              TERMINOLOGY

                                              • Abbreviations

                                                • Lateral ulnar collateral ligament (LUCL), radial collateral ligament (RCL), lateral collateral ligament (LCL) complex = LUCL + RCL + annular ligament
                                              • Synonyms

                                                • Posterolateral rotatory instability of elbow (PLRI)

                                              IMAGING

                                              • General Features

                                                • Radiographic Findings

                                                  • MR Findings

                                                    • Ultrasonographic Findings

                                                      • Imaging Recommendations

                                                        DIFFERENTIAL DIAGNOSIS

                                                          PATHOLOGY

                                                          • General Features

                                                            • Staging, Grading, & Classification

                                                              CLINICAL ISSUES

                                                              • Presentation

                                                                • Treatment

                                                                  DIAGNOSTIC CHECKLIST

                                                                  • Consider

                                                                    • Image Interpretation Pearls

                                                                      Selected References

                                                                      1. Bonnaig NS et al: Repair and reconstruction of the lateral ulnar collateral ligament. Instr Course Lect. 64:243-6, 2015
                                                                      2. Anakwenze OA et al: Posterolateral rotatory instability of the elbow. Am J Sports Med. 42(2):485-91, 2014
                                                                      3. Daluiski A et al: Direct repair for managing acute and chronic lateral ulnar collateral ligament disruptions. J Hand Surg Am. 39(6):1125-9, 2014
                                                                      4. Kim BS et al: Ligamentous repair of acute lateral collateral ligament rupture of the elbow. J Shoulder Elbow Surg. 22(11):1469-73, 2013
                                                                      5. Konin GP et al: US of the elbow: indications, technique, normal anatomy, and pathologic conditions. Radiographics. 33(4):E125-47, 2013
                                                                      6. 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
                                                                      7. Wenzke DR: MR Imaging of the Elbow in the Injured Athlete. Radiol Clin North Am. 51(2):195-213, 2013
                                                                      8. 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
                                                                      9. Husarik DB et al: Ligaments and plicae of the elbow: normal MR imaging variability in 60 asymptomatic subjects. Radiology. 257(1):185-94, 2010
                                                                      10. 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
                                                                      11. Stewart B et al: Sonography of the lateral ulnar collateral ligament of the elbow: study of cadavers and healthy volunteers. AJR Am J Roentgenol. 193(6):1615-9, 2009
                                                                      12. Cheung EV: Chronic lateral elbow instability. Orthop Clin North Am. 39(2):221-8, vi-vii, 2008
                                                                      13. Tran N et al: Ultrasonography of the elbow. Semin Musculoskelet Radiol. 11(2):105-16, 2007
                                                                      14. Mehta JA et al: Posterolateral rotatory instability of the elbow. J Am Acad Orthop Surg. 12(6):405-15, 2004
                                                                      15. Potter HG et al: Posterolateral rotatory instability of the elbow: usefulness of MR imaging in diagnosis. Radiology. 204(1):185-9, 1997
                                                                      16. O'Driscoll SW: Elbow instability. Hand Clin. 10(3):405-15, 1994