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Musculoskeletal
Diagnosis
Trauma
Hip and Pelvis
Osseous Pathology
Pelvis
Sacral Fractures, Traumatic
Sacral Fractures, Traumatic
Julia R. Crim, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Definitions

                • Arcuate line: Curved line delimiting superior margin of neural foramen
                  • Zone 2 fractures will disrupt arcuate line
                • Lumbosacral dissociation (spondylopelvic dissociation): U-shaped fracture associated with ligamentous disruption
                  • Lose structural continuity between spine and pelvis

              IMAGING

              • General Features

                • Radiographic Findings

                  • CT Findings

                    • MR Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • Staging, Grading, & Classification

                            CLINICAL ISSUES

                            • Presentation

                              • Natural History & Prognosis

                                DIAGNOSTIC CHECKLIST

                                • Consider

                                  • Image Interpretation Pearls

                                    Selected References

                                    1. Ruatti S et al: Which pelvic ring fractures are potentially lethal? Injury. 46(6):1059-63, 2015
                                    2. Bydon M et al: Sacral fractures. Neurosurg Focus. 37(1):E12, 2014
                                    3. Sullivan MP et al: Spondylopelvic dissociation. Orthop Clin North Am. 45(1):65-75, 2014
                                    4. Denis F et al: Sacral fractures: an important problem. Retrospective analysis of 236 cases. Clin Orthop. 227:67-81, 1988
                                    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

                                              • Diagnostic Checklist

                                                TERMINOLOGY

                                                • Definitions

                                                  • Arcuate line: Curved line delimiting superior margin of neural foramen
                                                    • Zone 2 fractures will disrupt arcuate line
                                                  • Lumbosacral dissociation (spondylopelvic dissociation): U-shaped fracture associated with ligamentous disruption
                                                    • Lose structural continuity between spine and pelvis

                                                IMAGING

                                                • General Features

                                                  • Radiographic Findings

                                                    • CT Findings

                                                      • MR Findings

                                                        • Imaging Recommendations

                                                          DIFFERENTIAL DIAGNOSIS

                                                            PATHOLOGY

                                                            • Staging, Grading, & Classification

                                                              CLINICAL ISSUES

                                                              • Presentation

                                                                • Natural History & Prognosis

                                                                  DIAGNOSTIC CHECKLIST

                                                                  • Consider

                                                                    • Image Interpretation Pearls

                                                                      Selected References

                                                                      1. Ruatti S et al: Which pelvic ring fractures are potentially lethal? Injury. 46(6):1059-63, 2015
                                                                      2. Bydon M et al: Sacral fractures. Neurosurg Focus. 37(1):E12, 2014
                                                                      3. Sullivan MP et al: Spondylopelvic dissociation. Orthop Clin North Am. 45(1):65-75, 2014
                                                                      4. Denis F et al: Sacral fractures: an important problem. Retrospective analysis of 236 cases. Clin Orthop. 227:67-81, 1988
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