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Partial Vertebral Duplication
Kevin R. Moore, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Synonyms

                • Supranumerary vertebra
              • Definitions

                • Partial duplication of vertebral column → 1 or more supranumerary ("extra") vertebra

              IMAGING

              • General Features

                • Radiographic Findings

                  • CT Findings

                    • MR Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            • Gross Pathologic & Surgical Features

                              • Microscopic Features

                                CLINICAL ISSUES

                                • Presentation

                                  • Demographics

                                    • Natural History & Prognosis

                                      • Treatment

                                        DIAGNOSTIC CHECKLIST

                                        • Consider

                                          • Image Interpretation Pearls

                                            Selected References

                                            1. Ramadorai U et al: Incidental findings on magnetic resonance imaging of the spine in the asymptomatic pediatric population: a systematic review. Evid Based Spine Care J. 5(2):95-100, 2014
                                            2. Eckalbar WL et al: Scoliosis and segmentation defects of the vertebrae. Wiley Interdiscip Rev Dev Biol. 1(3):401-23, 2012
                                            3. Thawait GK et al: Spine segmentation and enumeration and normal variants. Radiol Clin North Am. 50(4):587-98, 2012
                                            4. Kawakami N et al: Classification of congenital scoliosis and kyphosis: a new approach to the three-dimensional classification for progressive vertebral anomalies requiring operative treatment. Spine (Phila Pa 1976). 34(17):1756-65, 2009
                                            5. Chernoff N et al: Supernumerary ribs in developmental toxicity bioassays and in human populations: incidence and biological significance. J Toxicol Environ Health B Crit Rev. 7(6):437-49, 2004
                                            6. Perimenis P et al: Retrocaval ureter and associated abnormalities. Int Urol Nephrol. 33(1):19-22, 2002
                                            7. Jaskwhich D et al: Congenital scoliosis. Curr Opin Pediatr. 12(1):61-6, 2000
                                            8. Luboga S: Supernumerary lumbar vertebrae in human skeletons at the Galloway Osteological Collection of Makerere University, Kampala. East Afr Med J. 77(1):16-9, 2000
                                            9. McMaster MJ et al: Natural history of congenital kyphosis and kyphoscoliosis. A study of one hundred and twelve patients. J Bone Joint Surg Am. 81(10):1367-83, 1999
                                            10. McMaster MJ: Congenital scoliosis caused by a unilateral failure of vertebral segmentation with contralateral hemivertebrae. Spine. 23(9):998-1005, 1998
                                            11. Monsoro-Burq AH et al: Heterogeneity in the development of the vertebra. Proc Natl Acad Sci U S A. 91(22):10435-9, 1994
                                            12. Taslimi MM et al: Supernumerary ribs and vertebrae in trisomy 9 syndrome. Prenat Diagn. 10(7):481, 1990
                                            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

                                                        • Synonyms

                                                          • Supranumerary vertebra
                                                        • Definitions

                                                          • Partial duplication of vertebral column → 1 or more supranumerary ("extra") vertebra

                                                        IMAGING

                                                        • General Features

                                                          • Radiographic Findings

                                                            • CT Findings

                                                              • MR Findings

                                                                • Imaging Recommendations

                                                                  DIFFERENTIAL DIAGNOSIS

                                                                    PATHOLOGY

                                                                    • General Features

                                                                      • Gross Pathologic & Surgical Features

                                                                        • Microscopic Features

                                                                          CLINICAL ISSUES

                                                                          • Presentation

                                                                            • Demographics

                                                                              • Natural History & Prognosis

                                                                                • Treatment

                                                                                  DIAGNOSTIC CHECKLIST

                                                                                  • Consider

                                                                                    • Image Interpretation Pearls

                                                                                      Selected References

                                                                                      1. Ramadorai U et al: Incidental findings on magnetic resonance imaging of the spine in the asymptomatic pediatric population: a systematic review. Evid Based Spine Care J. 5(2):95-100, 2014
                                                                                      2. Eckalbar WL et al: Scoliosis and segmentation defects of the vertebrae. Wiley Interdiscip Rev Dev Biol. 1(3):401-23, 2012
                                                                                      3. Thawait GK et al: Spine segmentation and enumeration and normal variants. Radiol Clin North Am. 50(4):587-98, 2012
                                                                                      4. Kawakami N et al: Classification of congenital scoliosis and kyphosis: a new approach to the three-dimensional classification for progressive vertebral anomalies requiring operative treatment. Spine (Phila Pa 1976). 34(17):1756-65, 2009
                                                                                      5. Chernoff N et al: Supernumerary ribs in developmental toxicity bioassays and in human populations: incidence and biological significance. J Toxicol Environ Health B Crit Rev. 7(6):437-49, 2004
                                                                                      6. Perimenis P et al: Retrocaval ureter and associated abnormalities. Int Urol Nephrol. 33(1):19-22, 2002
                                                                                      7. Jaskwhich D et al: Congenital scoliosis. Curr Opin Pediatr. 12(1):61-6, 2000
                                                                                      8. Luboga S: Supernumerary lumbar vertebrae in human skeletons at the Galloway Osteological Collection of Makerere University, Kampala. East Afr Med J. 77(1):16-9, 2000
                                                                                      9. McMaster MJ et al: Natural history of congenital kyphosis and kyphoscoliosis. A study of one hundred and twelve patients. J Bone Joint Surg Am. 81(10):1367-83, 1999
                                                                                      10. McMaster MJ: Congenital scoliosis caused by a unilateral failure of vertebral segmentation with contralateral hemivertebrae. Spine. 23(9):998-1005, 1998
                                                                                      11. Monsoro-Burq AH et al: Heterogeneity in the development of the vertebra. Proc Natl Acad Sci U S A. 91(22):10435-9, 1994
                                                                                      12. Taslimi MM et al: Supernumerary ribs and vertebrae in trisomy 9 syndrome. Prenat Diagn. 10(7):481, 1990