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Lateral Ligament Injury, Ankle
Julia R. Crim, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            TERMINOLOGY

            • Definitions

              • Lateral collateral ligament (LCL) complex
                • Anterior talofibular ligament (ATFL)
                • Calcaneofibular ligament (CFL)
                • Posterior talofibular ligament (PTFL)
              • Tibiofibular ligament complex
                • Anterior inferior tibiofibular ligament (AITFL)
                  • Accessory ligament of Bassett is almost always present inferior to AITFL
                • Posterior inferior tibiofibular ligament (PITFL)
                • Interosseous ligament
              • Ankle sprain
                • LCL tear
                • Occasionally, tear anterior tibiofibular ligament in addition to LCL
              • High ankle sprain (syndesmosis sprain)
                • Tear of tibiofibular ligament complex and often deep deltoid ligament

            IMAGING

            • General Features

              • Imaging Recommendations

                • Radiographic Findings

                  • MR Findings

                    PATHOLOGY

                    • General Features

                      CLINICAL ISSUES

                      • Presentation

                        • Natural History & Prognosis

                          • Treatment

                            DIAGNOSTIC CHECKLIST

                            • Image Interpretation Pearls

                              Selected References

                              1. Shakked R et al: Acute and chronic lateral ankle instability diagnosis, management, and new concepts. Bull Hosp Jt Dis (2013). 75(1):71-80, 2017
                              2. Roemer FW et al: Ligamentous injuries and the risk of associated tissue damage in acute ankle sprains in athletes: A Cross-sectional MRI Study. Am J Sports Med. 42(7):1549-57, 2014
                              3. Crim JR et al: Deltoid ligament abnormalities in chronic lateral ankle instability. Foot Ankle Int. 32(9):873-8, 2011
                              4. Brown KW et al: MRI findings associated with distal tibiofibular syndesmosis injury. AJR Am J Roentgenol. 182(1):131-6, 2004
                              5. Trnka HJ et al: Arthrography of the foot and ankle. ankle and subtalar joint. Foot Ankle Clin. 5(1):49-62, vi, 2000
                              6. Colville MR et al: Strain measurement in lateral ankle ligaments. Am J Sports Med. 18(2):196-200, 1990
                              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

                                        TERMINOLOGY

                                        • Definitions

                                          • Lateral collateral ligament (LCL) complex
                                            • Anterior talofibular ligament (ATFL)
                                            • Calcaneofibular ligament (CFL)
                                            • Posterior talofibular ligament (PTFL)
                                          • Tibiofibular ligament complex
                                            • Anterior inferior tibiofibular ligament (AITFL)
                                              • Accessory ligament of Bassett is almost always present inferior to AITFL
                                            • Posterior inferior tibiofibular ligament (PITFL)
                                            • Interosseous ligament
                                          • Ankle sprain
                                            • LCL tear
                                            • Occasionally, tear anterior tibiofibular ligament in addition to LCL
                                          • High ankle sprain (syndesmosis sprain)
                                            • Tear of tibiofibular ligament complex and often deep deltoid ligament

                                        IMAGING

                                        • General Features

                                          • Imaging Recommendations

                                            • Radiographic Findings

                                              • MR Findings

                                                PATHOLOGY

                                                • General Features

                                                  CLINICAL ISSUES

                                                  • Presentation

                                                    • Natural History & Prognosis

                                                      • Treatment

                                                        DIAGNOSTIC CHECKLIST

                                                        • Image Interpretation Pearls

                                                          Selected References

                                                          1. Shakked R et al: Acute and chronic lateral ankle instability diagnosis, management, and new concepts. Bull Hosp Jt Dis (2013). 75(1):71-80, 2017
                                                          2. Roemer FW et al: Ligamentous injuries and the risk of associated tissue damage in acute ankle sprains in athletes: A Cross-sectional MRI Study. Am J Sports Med. 42(7):1549-57, 2014
                                                          3. Crim JR et al: Deltoid ligament abnormalities in chronic lateral ankle instability. Foot Ankle Int. 32(9):873-8, 2011
                                                          4. Brown KW et al: MRI findings associated with distal tibiofibular syndesmosis injury. AJR Am J Roentgenol. 182(1):131-6, 2004
                                                          5. Trnka HJ et al: Arthrography of the foot and ankle. ankle and subtalar joint. Foot Ankle Clin. 5(1):49-62, vi, 2000
                                                          6. Colville MR et al: Strain measurement in lateral ankle ligaments. Am J Sports Med. 18(2):196-200, 1990