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Diastematomyelia
Paula J. Woodward, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Synonyms

              • Split cord malformation (SCM)
            • Definitions

              • Sagittally oriented spinal canal spur that splits spinal cord into 2 hemicords
                • Rare form of spinal dysraphism

            IMAGING

            • General Features

              • Ultrasonographic Findings

                • MR Findings

                  DIFFERENTIAL DIAGNOSIS

                    PATHOLOGY

                    • Staging, Grading, & Classification

                      • Gross Pathologic & Surgical Features

                        CLINICAL ISSUES

                        • Presentation

                          • Natural History & Prognosis

                            • Treatment

                              DIAGNOSTIC CHECKLIST

                              • Image Interpretation Pearls

                                Selected References

                                1. Bixenmann BJ et al: Prenatal and postnatal evaluation for syringomyelia in patients with spinal dysraphism. J Neurosurg Pediatr. 14(3):316-21, 2014
                                2. Gavriliu S et al: Diastematomyelia in congenital scoliosis: a report of two cases. Eur Spine J. 23 Suppl 2:262-6, 2014
                                3. Guo A et al: Fetal syringomyelia. Acta Neuropathol Commun. 2:91, 2014
                                4. Turgal M et al: Prenatal diagnosis and clinicopathologic examination of a case with diastematomyelia. Congenit Anom (Kyoto). 53(4):163-5, 2013
                                5. Cheng B et al: Diastematomyelia: a retrospective review of 138 patients. J Bone Joint Surg Br. 94(3):365-72, 2012
                                6. Li SL et al: Prenatal diagnosis of diastematomyelia: a case report and review of the literature. J Clin Ultrasound. 40(5):301-5, 2012
                                7. Passoglou V et al: Diastematomyelia: pre- and postnatal multimodal diagnostic approach. JBR-BTR. 94(6):333-5, 2011
                                8. Kulkarni M et al: Fetal diastematomyelia: MR imaging: A case report. Indian J Radiol Imaging. 19(1):78-80, 2009
                                9. Has R et al: Prenatal diagnosis of diastematomyelia: presentation of eight cases and review of the literature. Ultrasound Obstet Gynecol. 30(6):845-9, 2007
                                10. Rossi A et al: Spinal dysraphism: MR imaging rationale. J Neuroradiol. 31(1):3-24, 2004
                                11. Proctor MR et al: The effect of surgery for split spinal cord malformation on neurologic and urologic function. Pediatr Neurosurg. 32(1):13-9, 2000
                                12. Erşahin Y et al: Split spinal cord malformations in children. J Neurosurg. 88(1):57-65, 1998
                                13. Dias MS et al: Split cord malformations. Neurosurg Clin N Am. 6(2):339-58, 1995
                                14. Anderson NG et al: Diastematomyelia: diagnosis by prenatal sonography. AJR Am J Roentgenol. 163(4):911-4, 1994
                                15. Harwood-Nash DC et al: Diastematomyelia in 172 children: the impact of modern neuroradiology. Pediatr Neurosurg. 16(4-5):247-51, 1990
                                16. Naidich TP et al: Diastematomyelia: hemicord and meningeal sheaths; single and double arachnoid and dural tubes. AJNR Am J Neuroradiol. 4(3):633-6, 1983
                                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

                                          • Synonyms

                                            • Split cord malformation (SCM)
                                          • Definitions

                                            • Sagittally oriented spinal canal spur that splits spinal cord into 2 hemicords
                                              • Rare form of spinal dysraphism

                                          IMAGING

                                          • General Features

                                            • Ultrasonographic Findings

                                              • MR Findings

                                                DIFFERENTIAL DIAGNOSIS

                                                  PATHOLOGY

                                                  • Staging, Grading, & Classification

                                                    • Gross Pathologic & Surgical Features

                                                      CLINICAL ISSUES

                                                      • Presentation

                                                        • Natural History & Prognosis

                                                          • Treatment

                                                            DIAGNOSTIC CHECKLIST

                                                            • Image Interpretation Pearls

                                                              Selected References

                                                              1. Bixenmann BJ et al: Prenatal and postnatal evaluation for syringomyelia in patients with spinal dysraphism. J Neurosurg Pediatr. 14(3):316-21, 2014
                                                              2. Gavriliu S et al: Diastematomyelia in congenital scoliosis: a report of two cases. Eur Spine J. 23 Suppl 2:262-6, 2014
                                                              3. Guo A et al: Fetal syringomyelia. Acta Neuropathol Commun. 2:91, 2014
                                                              4. Turgal M et al: Prenatal diagnosis and clinicopathologic examination of a case with diastematomyelia. Congenit Anom (Kyoto). 53(4):163-5, 2013
                                                              5. Cheng B et al: Diastematomyelia: a retrospective review of 138 patients. J Bone Joint Surg Br. 94(3):365-72, 2012
                                                              6. Li SL et al: Prenatal diagnosis of diastematomyelia: a case report and review of the literature. J Clin Ultrasound. 40(5):301-5, 2012
                                                              7. Passoglou V et al: Diastematomyelia: pre- and postnatal multimodal diagnostic approach. JBR-BTR. 94(6):333-5, 2011
                                                              8. Kulkarni M et al: Fetal diastematomyelia: MR imaging: A case report. Indian J Radiol Imaging. 19(1):78-80, 2009
                                                              9. Has R et al: Prenatal diagnosis of diastematomyelia: presentation of eight cases and review of the literature. Ultrasound Obstet Gynecol. 30(6):845-9, 2007
                                                              10. Rossi A et al: Spinal dysraphism: MR imaging rationale. J Neuroradiol. 31(1):3-24, 2004
                                                              11. Proctor MR et al: The effect of surgery for split spinal cord malformation on neurologic and urologic function. Pediatr Neurosurg. 32(1):13-9, 2000
                                                              12. Erşahin Y et al: Split spinal cord malformations in children. J Neurosurg. 88(1):57-65, 1998
                                                              13. Dias MS et al: Split cord malformations. Neurosurg Clin N Am. 6(2):339-58, 1995
                                                              14. Anderson NG et al: Diastematomyelia: diagnosis by prenatal sonography. AJR Am J Roentgenol. 163(4):911-4, 1994
                                                              15. Harwood-Nash DC et al: Diastematomyelia in 172 children: the impact of modern neuroradiology. Pediatr Neurosurg. 16(4-5):247-51, 1990
                                                              16. Naidich TP et al: Diastematomyelia: hemicord and meningeal sheaths; single and double arachnoid and dural tubes. AJNR Am J Neuroradiol. 4(3):633-6, 1983