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Posterior Impingement, Ankle
Corrie M. Yablon, MD; Julia R. Crim, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Definitions

              • Posterior ankle pain caused by painful limitation of plantar flexion due to osseous &/or soft tissue pathology 
              • Os trigonum = unfused ossification center at lateral tubercle of posterior talar process
              • Stieda process = elongated lateral tubercle

            IMAGING

            • General Features

              • Radiographic Findings

                • CT Findings

                  • MR Findings

                    • Ultrasonographic Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            • Gross Pathologic & Surgical Features

                              • Relevant Anatomy

                                CLINICAL ISSUES

                                • Presentation

                                  • Demographics

                                    • Natural History & Prognosis

                                      • Treatment

                                        DIAGNOSTIC CHECKLIST

                                        • Image Interpretation Pearls

                                          Selected References

                                          1. LiMarzi GM et al: Imaging manifestations of ankle impingement syndromes. Radiol Clin North Am. 56(6):893-916, 2018
                                          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. Giannini S et al: Posterior ankle impingement. Foot Ankle Int. 34(3):459-65, 2013
                                          4. Calder JD et al: Return to training and playing after posterior ankle arthroscopy for posterior impingement in elite professional soccer. Am J Sports Med. 38(1):120-4, 2010
                                          5. Hopper MA et al: Ankle impingement syndromes. Radiol Clin North Am. 46(6):957-71, v, 2008
                                          6. Lee JC et al: Posterior impingement syndromes of the ankle. Semin Musculoskelet Radiol. 12(2):154-69, 2008
                                          7. Sanders TG et al: Impingement syndromes of the ankle. Magn Reson Imaging Clin N Am. 16(1):29-38, v, 2008
                                          8. Robinson P et al: Soft-tissue and osseous impingement syndromes of the ankle: role of imaging in diagnosis and management. Radiographics. 22(6):1457-69; discussion 1470-1, 2002
                                          9. Fiorella D et al: The MR imaging features of the posterior intermalleolar ligament in patients with posterior impingement syndrome of the ankle. Skeletal Radiol. 28(10):573-6, 1999
                                          Related Anatomy
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                                          Related Differential Diagnoses
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                                          References
                                          Tables

                                          Tables

                                          KEY FACTS

                                          • Terminology

                                            • Imaging

                                              • Top Differential Diagnoses

                                                • Clinical Issues

                                                  • Diagnostic Checklist

                                                    TERMINOLOGY

                                                    • Definitions

                                                      • Posterior ankle pain caused by painful limitation of plantar flexion due to osseous &/or soft tissue pathology 
                                                      • Os trigonum = unfused ossification center at lateral tubercle of posterior talar process
                                                      • Stieda process = elongated lateral tubercle

                                                    IMAGING

                                                    • General Features

                                                      • Radiographic Findings

                                                        • CT Findings

                                                          • MR Findings

                                                            • Ultrasonographic Findings

                                                              • Imaging Recommendations

                                                                DIFFERENTIAL DIAGNOSIS

                                                                  PATHOLOGY

                                                                  • General Features

                                                                    • Gross Pathologic & Surgical Features

                                                                      • Relevant Anatomy

                                                                        CLINICAL ISSUES

                                                                        • Presentation

                                                                          • Demographics

                                                                            • Natural History & Prognosis

                                                                              • Treatment

                                                                                DIAGNOSTIC CHECKLIST

                                                                                • Image Interpretation Pearls

                                                                                  Selected References

                                                                                  1. LiMarzi GM et al: Imaging manifestations of ankle impingement syndromes. Radiol Clin North Am. 56(6):893-916, 2018
                                                                                  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. Giannini S et al: Posterior ankle impingement. Foot Ankle Int. 34(3):459-65, 2013
                                                                                  4. Calder JD et al: Return to training and playing after posterior ankle arthroscopy for posterior impingement in elite professional soccer. Am J Sports Med. 38(1):120-4, 2010
                                                                                  5. Hopper MA et al: Ankle impingement syndromes. Radiol Clin North Am. 46(6):957-71, v, 2008
                                                                                  6. Lee JC et al: Posterior impingement syndromes of the ankle. Semin Musculoskelet Radiol. 12(2):154-69, 2008
                                                                                  7. Sanders TG et al: Impingement syndromes of the ankle. Magn Reson Imaging Clin N Am. 16(1):29-38, v, 2008
                                                                                  8. Robinson P et al: Soft-tissue and osseous impingement syndromes of the ankle: role of imaging in diagnosis and management. Radiographics. 22(6):1457-69; discussion 1470-1, 2002
                                                                                  9. Fiorella D et al: The MR imaging features of the posterior intermalleolar ligament in patients with posterior impingement syndrome of the ankle. Skeletal Radiol. 28(10):573-6, 1999