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Impingement Syndromes, Ankle
Julia R. Crim, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        TERMINOLOGY

        • Synonyms

          • Anterior talofibular ligament (ATFL)
          • Anterior inferior tibiofibular ligament
          • Calcaneofibular ligament
          • Posterior talofibular ligament
          • Posterior inferior tibiofibular ligament
          • Osteoarthritis (OA)
        • Definitions

          • Limitation of normal ankle motion
          • Multiple impingement syndromes described
            • May be caused by bony or soft tissue abnormalities
          • Clinical syndrome may not be present despite abnormal imaging findings

        IMAGING

        • General Features

          • MR Findings

            • CT Findings

              • Imaging Recommendations

                DIFFERENTIAL DIAGNOSIS

                  PATHOLOGY

                  • General Features

                    CLINICAL ISSUES

                    • Presentation

                      • Treatment

                        Selected References

                        1. Sellon E et al: MR imaging of impingement and entrapment syndromes of the foot and ankle. Magn Reson Imaging Clin N Am. 25(1):145-158, 2017
                        2. Hayashi D et al: Posterior ankle impingement in athletes: pathogenesis, imaging features and differential diagnoses. Eur J Radiol. 84(11):2231-41, 2015
                        3. Watson AD: Ankle instability and impingement. Foot Ankle Clin. 12(1):177-95, 2007
                        4. Cerezal L et al: MR imaging of ankle impingement syndromes. AJR Am J Roentgenol. 181(2):551-9, 2003
                        Related Anatomy
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                        Related Differential Diagnoses
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                        References
                        Tables

                        Tables

                        KEY FACTS

                        • Terminology

                          • Imaging

                            • Top Differential Diagnoses

                              TERMINOLOGY

                              • Synonyms

                                • Anterior talofibular ligament (ATFL)
                                • Anterior inferior tibiofibular ligament
                                • Calcaneofibular ligament
                                • Posterior talofibular ligament
                                • Posterior inferior tibiofibular ligament
                                • Osteoarthritis (OA)
                              • Definitions

                                • Limitation of normal ankle motion
                                • Multiple impingement syndromes described
                                  • May be caused by bony or soft tissue abnormalities
                                • Clinical syndrome may not be present despite abnormal imaging findings

                              IMAGING

                              • General Features

                                • MR Findings

                                  • CT Findings

                                    • Imaging Recommendations

                                      DIFFERENTIAL DIAGNOSIS

                                        PATHOLOGY

                                        • General Features

                                          CLINICAL ISSUES

                                          • Presentation

                                            • Treatment

                                              Selected References

                                              1. Sellon E et al: MR imaging of impingement and entrapment syndromes of the foot and ankle. Magn Reson Imaging Clin N Am. 25(1):145-158, 2017
                                              2. Hayashi D et al: Posterior ankle impingement in athletes: pathogenesis, imaging features and differential diagnoses. Eur J Radiol. 84(11):2231-41, 2015
                                              3. Watson AD: Ankle instability and impingement. Foot Ankle Clin. 12(1):177-95, 2007
                                              4. Cerezal L et al: MR imaging of ankle impingement syndromes. AJR Am J Roentgenol. 181(2):551-9, 2003