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Tarsal Coalition
Kara G. Gill, MD; B. J. Manaster, MD, PhD, FACR; Stephanie A. Bernard, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Clinical Issues

        • Diagnostic Checklist

          TERMINOLOGY

          • Synonyms

            • Spastic peroneal flatfoot
          • Definitions

            • Abnormal bridging between tarsal bones, usually secondary to failure of segmentation in utero
              • Bridging may be osseous, cartilaginous, or fibrous

          IMAGING

          • General Features

            • Radiographic Findings

              • CT Findings

                • MR Findings

                  • Imaging Recommendations

                    DIFFERENTIAL DIAGNOSIS

                      PATHOLOGY

                      • General Features

                        • Gross Pathologic & Surgical Features

                          CLINICAL ISSUES

                          • Presentation

                            • Demographics

                              • Natural History & Prognosis

                                • Treatment

                                  DIAGNOSTIC CHECKLIST

                                  • Consider

                                    Selected References

                                    1. Alqahtani E et al: Accessory anterolateral talar facet associated with tarsal coalition: prevalence and cross-sectional characterization. Skeletal Radiol. 49(3):417-24, 2020
                                    2. Van Rysselberghe NL et al: Unsuspected tarsal coalitions in equinus and varus foot deformities. J Pediatr Orthop B. 29(4):370-4, 2020
                                    3. Lawrence DA et al: Tarsal coalitions: radiographic, CT, and MR imaging findings. HSS J. 10(2):153-66, 2014
                                    4. Bixby SD et al: Unilateral subtalar coalition: contralateral sustentaculum tali morphology. Radiology. 257(3):830-5, 2010
                                    5. Sperl M et al: Preliminary report: resection and interposition of a deepithelialized skin flap graft in tarsal coalition in children. J Pediatr Orthop B. 19(2):171-6, 2010
                                    6. Linklater J et al: Anatomy of the subtalar joint and imaging of talo-calcaneal coalition. Skeletal Radiol. 38(5):437-49, 2009
                                    7. Mubarak SJ et al: Calcaneonavicular coalition: treatment by excision and fat graft. J Pediatr Orthop. 29(5):418-26, 2009
                                    8. Yoo JH et al: Tarsal coalition as a cause of failed tarsal tunnel release for tarsal tunnel syndrome. Orthopedics. 32(4), 2009
                                    9. Crim J: Imaging of tarsal coalition. Radiol Clin North Am. 46(6):1017-26, vi, 2008
                                    10. Philbin TM et al: Results of resection for middle facet tarsal coalitions in adults. Foot Ankle Spec. 1(6):344-9, 2008
                                    11. Newman JS et al: Congenital tarsal coalition: multimodality evaluation with emphasis on CT and MR imaging. Radiographics. 20(2):321-32; quiz 526-7, 532, 2000
                                    Related Anatomy
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                                    Related Differential Diagnoses
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                                    References
                                    Tables

                                    Tables

                                    KEY FACTS

                                    • Terminology

                                      • Imaging

                                        • Clinical Issues

                                          • Diagnostic Checklist

                                            TERMINOLOGY

                                            • Synonyms

                                              • Spastic peroneal flatfoot
                                            • Definitions

                                              • Abnormal bridging between tarsal bones, usually secondary to failure of segmentation in utero
                                                • Bridging may be osseous, cartilaginous, or fibrous

                                            IMAGING

                                            • General Features

                                              • Radiographic Findings

                                                • CT Findings

                                                  • MR Findings

                                                    • Imaging Recommendations

                                                      DIFFERENTIAL DIAGNOSIS

                                                        PATHOLOGY

                                                        • General Features

                                                          • Gross Pathologic & Surgical Features

                                                            CLINICAL ISSUES

                                                            • Presentation

                                                              • Demographics

                                                                • Natural History & Prognosis

                                                                  • Treatment

                                                                    DIAGNOSTIC CHECKLIST

                                                                    • Consider

                                                                      Selected References

                                                                      1. Alqahtani E et al: Accessory anterolateral talar facet associated with tarsal coalition: prevalence and cross-sectional characterization. Skeletal Radiol. 49(3):417-24, 2020
                                                                      2. Van Rysselberghe NL et al: Unsuspected tarsal coalitions in equinus and varus foot deformities. J Pediatr Orthop B. 29(4):370-4, 2020
                                                                      3. Lawrence DA et al: Tarsal coalitions: radiographic, CT, and MR imaging findings. HSS J. 10(2):153-66, 2014
                                                                      4. Bixby SD et al: Unilateral subtalar coalition: contralateral sustentaculum tali morphology. Radiology. 257(3):830-5, 2010
                                                                      5. Sperl M et al: Preliminary report: resection and interposition of a deepithelialized skin flap graft in tarsal coalition in children. J Pediatr Orthop B. 19(2):171-6, 2010
                                                                      6. Linklater J et al: Anatomy of the subtalar joint and imaging of talo-calcaneal coalition. Skeletal Radiol. 38(5):437-49, 2009
                                                                      7. Mubarak SJ et al: Calcaneonavicular coalition: treatment by excision and fat graft. J Pediatr Orthop. 29(5):418-26, 2009
                                                                      8. Yoo JH et al: Tarsal coalition as a cause of failed tarsal tunnel release for tarsal tunnel syndrome. Orthopedics. 32(4), 2009
                                                                      9. Crim J: Imaging of tarsal coalition. Radiol Clin North Am. 46(6):1017-26, vi, 2008
                                                                      10. Philbin TM et al: Results of resection for middle facet tarsal coalitions in adults. Foot Ankle Spec. 1(6):344-9, 2008
                                                                      11. Newman JS et al: Congenital tarsal coalition: multimodality evaluation with emphasis on CT and MR imaging. Radiographics. 20(2):321-32; quiz 526-7, 532, 2000