link
Bookmarks
Ankle and Subtalar Instability
Julia R. Crim, MD
To access 4,300 diagnoses written by the world's leading experts in radiology, please log in or subscribe.Log inSubscribe
0
2
7
0

KEY FACTS

  • Imaging

    • Pathology

      • Diagnostic Checklist

        TERMINOLOGY

        • Abbreviations

          • Anterior talofibular ligament (ATFL); calcaneofibular ligament (CFL)
        • Definitions

          • Functional instability: Patient has sensation of ankle giving way
          • Mechanical instability: Instability can be demonstrated on physical exam or stress radiography
          • Instability may be present with inversion, eversion, or rotation of ankle

        IMAGING

        • General Features

          • Radiographic Findings

            • MR Findings

              • Imaging Recommendations

                DIFFERENTIAL DIAGNOSIS

                  PATHOLOGY

                  • General Features

                    • Staging, Grading, & Classification

                      • Relevant Anatomy

                        CLINICAL ISSUES

                        • Presentation

                          • Natural History & Prognosis

                            • Treatment

                              DIAGNOSTIC CHECKLIST

                              • Consider

                                • Image Interpretation Pearls

                                  Selected References

                                  1. Aynardi M et al: Subtalar instability. Foot Ankle Clin. 20(2):243-52, 2015
                                  2. Burrus MT et al: Predictors of peroneal pathology in Broström-Gould ankle ligament reconstruction for lateral ankle instability. Foot Ankle Int. 36(3):268-76, 2015
                                  3. Barg A et al: Subtalar instability: diagnosis and treatment. Foot Ankle Int. 33(2):151-60, 2012
                                  4. Weindel S et al: Subtalar instability: a biomechanical cadaver study. Arch Orthop Trauma Surg. 130(3):313-9, 2010
                                  5. Ferran NA et al: Ankle instability. Sports Med Arthrosc. 17(2):139-45, 2009
                                  6. Alparslan L et al: Lateral ankle instability: MR imaging of associated injuries and surgical treatment procedures. Semin Musculoskelet Radiol. 12(4):346-58, 2008
                                  7. Kirby AB et al: Magnetic resonance imaging findings of chronic lateral ankle instability. Curr Probl Diagn Radiol. 34(5):196-203, 2005
                                  8. Hintermann B et al: Medial ankle instability: an exploratory, prospective study of fifty-two cases. Am J Sports Med. 32(1):183-90, 2004
                                  9. Michelson J et al: The effect of ankle injury on subtalar motion. Foot Ankle Int. 25(9):639-46, 2004
                                  10. Hintermann B et al: Arthroscopic findings in patients with chronic ankle instability. Am J Sports Med. 30(3):402-9, 2002
                                  11. Keefe DT et al: Subtalar instability. Etiology, diagnosis, and management. Foot Ankle Clin. 7(3):577-609, 2002
                                  12. Larsen E et al: Association of ankle instability and foot deformity. Acta Orthop Scand. 61(2):136-9, 1990
                                  Related Anatomy
                                  Loading...
                                  Related Differential Diagnoses
                                  Loading...
                                  References
                                  Tables

                                  Tables

                                  KEY FACTS

                                  • Imaging

                                    • Pathology

                                      • Diagnostic Checklist

                                        TERMINOLOGY

                                        • Abbreviations

                                          • Anterior talofibular ligament (ATFL); calcaneofibular ligament (CFL)
                                        • Definitions

                                          • Functional instability: Patient has sensation of ankle giving way
                                          • Mechanical instability: Instability can be demonstrated on physical exam or stress radiography
                                          • Instability may be present with inversion, eversion, or rotation of ankle

                                        IMAGING

                                        • General Features

                                          • Radiographic Findings

                                            • MR Findings

                                              • Imaging Recommendations

                                                DIFFERENTIAL DIAGNOSIS

                                                  PATHOLOGY

                                                  • General Features

                                                    • Staging, Grading, & Classification

                                                      • Relevant Anatomy

                                                        CLINICAL ISSUES

                                                        • Presentation

                                                          • Natural History & Prognosis

                                                            • Treatment

                                                              DIAGNOSTIC CHECKLIST

                                                              • Consider

                                                                • Image Interpretation Pearls

                                                                  Selected References

                                                                  1. Aynardi M et al: Subtalar instability. Foot Ankle Clin. 20(2):243-52, 2015
                                                                  2. Burrus MT et al: Predictors of peroneal pathology in Broström-Gould ankle ligament reconstruction for lateral ankle instability. Foot Ankle Int. 36(3):268-76, 2015
                                                                  3. Barg A et al: Subtalar instability: diagnosis and treatment. Foot Ankle Int. 33(2):151-60, 2012
                                                                  4. Weindel S et al: Subtalar instability: a biomechanical cadaver study. Arch Orthop Trauma Surg. 130(3):313-9, 2010
                                                                  5. Ferran NA et al: Ankle instability. Sports Med Arthrosc. 17(2):139-45, 2009
                                                                  6. Alparslan L et al: Lateral ankle instability: MR imaging of associated injuries and surgical treatment procedures. Semin Musculoskelet Radiol. 12(4):346-58, 2008
                                                                  7. Kirby AB et al: Magnetic resonance imaging findings of chronic lateral ankle instability. Curr Probl Diagn Radiol. 34(5):196-203, 2005
                                                                  8. Hintermann B et al: Medial ankle instability: an exploratory, prospective study of fifty-two cases. Am J Sports Med. 32(1):183-90, 2004
                                                                  9. Michelson J et al: The effect of ankle injury on subtalar motion. Foot Ankle Int. 25(9):639-46, 2004
                                                                  10. Hintermann B et al: Arthroscopic findings in patients with chronic ankle instability. Am J Sports Med. 30(3):402-9, 2002
                                                                  11. Keefe DT et al: Subtalar instability. Etiology, diagnosis, and management. Foot Ankle Clin. 7(3):577-609, 2002
                                                                  12. Larsen E et al: Association of ankle instability and foot deformity. Acta Orthop Scand. 61(2):136-9, 1990