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Dorsal Spinal Meningocele
Kevin R. Moore, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Synonyms

                • Simple meningocele, simple spinal meningocele, posterior meningocele
              • Definitions

                • Dorsal herniation of dura, arachnoid, and CSF into spinal subcutaneous tissue

              IMAGING

              • General Features

                • Radiographic Findings

                  • CT Findings

                    • MR Findings

                      • Ultrasonographic Findings

                        • Nonvascular Interventions

                          • 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. Lafitte AS et al: A case of prenatally diagnosed limited dorsal myeloschisis with good prognosis. J Clin Ultrasound. 46(4):282-5, 2018
                                                2. Morioka T et al: Neurosurgical pathology of limited dorsal myeloschisis. Childs Nerv Syst. 34(2):293-303, 2018
                                                3. Lee SM et al: Limited dorsal myeloschisis and congenital dermal sinus: comparison of clinical and MR imaging features. AJNR Am J Neuroradiol. 38(1):176-82, 2017
                                                4. Schmidt C et al: Meningocele manqué: a comprehensive review of this enigmatic finding in occult spinal dysraphism. Childs Nerv Syst. 33(7):1065-71, 2017
                                                5. McComb JG: A practical clinical classification of spinal neural tube defects. Childs Nerv Syst. 31(10):1641-57, 2015
                                                6. Kole MJ et al: Currarino syndrome and spinal dysraphism. J Neurosurg Pediatr. 13(6):685-9, 2014
                                                7. Moriyama T et al: Postoperative spinal cord herniation with pseudomeningocele in the cervical spine: a case report. Spine J. 13(10):e43-5, 2013
                                                8. Le TC et al: Dorsal thoracic spinal cord herniation: report of an unusual case and review of the literature. Spine J. 12(10):e9-12, 2012
                                                9. Singh N et al: Multiple neural tube defects in a child: A rare developmental anomaly. Surg Neurol Int. 3:147, 2012
                                                10. Rao ZX et al: Congenital spinal intradural arachnoid cyst associated with intrathoracic meningocele in a child. J Zhejiang Univ Sci B. 11(6):429-32, 2010
                                                11. Duz B et al: Cervical congenital midline meningoceles in adults. Neurosurgery. 63(5):938-44; discussion 944-5, 2008
                                                12. Sanli AM et al: Giant true dorsal thoracic meningocele in a school-age child. Case report. J Neurosurg Pediatr. 1(5):399-401, 2008
                                                13. Rossi A et al: Spinal dysraphism: MR imaging rationale. J Neuroradiol. 31(1):3-24, 2004
                                                14. Akay KM et al: The initial treatment of meningocele and myelomeningocele lesions in adulthood: experiences with seven patients. Neurosurg Rev. 26(3):162-7, 2003
                                                15. Barazi SA et al: High and low pressure states associated with posterior sacral meningocele. Br J Neurosurg. 17(2):184-7, 2003
                                                16. Bekavac I et al: Meningocele-induced positional syncope and retinal hemorrhage. AJNR Am J Neuroradiol. 24(5):838-9, 2003
                                                17. Graham D et al: Greenfield's Neuropathology. 7th ed. London, Arnold. 380, 2002
                                                18. Ersahin Y et al: Is meningocele really an isolated lesion? Childs Nerv Syst. 17(8):487-90, 2001
                                                19. Barkovich A: Pediatric Neuroimaging. 3rd ed. Philadelphia: Lippincott-Raven. 666-67, 2000
                                                20. Tortori-Donati P et al: Spinal dysraphism: a review of neuroradiological features with embryological correlations and proposal for a new classification. Neuroradiology. 42(7):471-91, 2000
                                                21. Unsinn KM et al: US of the spinal cord in newborns: spectrum of normal findings, variants, congenital anomalies, and acquired diseases. Radiographics. 20(4):923-38, 2000
                                                22. Sattar TS et al: Pre-natal diagnosis of occult spinal dysraphism by ultrasonography and post-natal evaluation by MR scanning. Eur J Pediatr Surg. 8 Suppl 1:31-3, 1998
                                                23. Ball W: Pediatric Neuroradiology. Philadelphia: Lippincott-Raven. 726-27, 1997
                                                24. Tindall et al: The Practice of Neurosurgery. Baltimore: Lippincott, Williams and Wilkins. 2758-60, 1996
                                                25. Steinbok P et al: Cervical meningoceles and myelocystoceles: a unifying hypothesis. Pediatr Neurosurg. 23(6):317-22, 1995
                                                26. DeLaPaz RL: Congenital anomalies of the lumbosacral spine. Neuroimaging Clinics of North America. 3(3):429-31, 1993
                                                27. Ebisu T et al: Neurenteric cysts with meningomyelocele or meningocele. Split notochord syndrome. Childs Nerv Syst. 6(8):465-7, 1990
                                                28. Wolf YG et al: Thoraco-abdominal enteric duplication with meningocele, skeletal anomalies and dextrocardia. Eur J Pediatr. 149(11):786-8, 1990
                                                29. Erkulvrawatr S et al: Intrathoracic meningoceles and neurofibromatosis. Arch Neurol. 36(9):557-9, 1979
                                                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

                                                              • Simple meningocele, simple spinal meningocele, posterior meningocele
                                                            • Definitions

                                                              • Dorsal herniation of dura, arachnoid, and CSF into spinal subcutaneous tissue

                                                            IMAGING

                                                            • General Features

                                                              • Radiographic Findings

                                                                • CT Findings

                                                                  • MR Findings

                                                                    • Ultrasonographic Findings

                                                                      • Nonvascular Interventions

                                                                        • 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. Lafitte AS et al: A case of prenatally diagnosed limited dorsal myeloschisis with good prognosis. J Clin Ultrasound. 46(4):282-5, 2018
                                                                                              2. Morioka T et al: Neurosurgical pathology of limited dorsal myeloschisis. Childs Nerv Syst. 34(2):293-303, 2018
                                                                                              3. Lee SM et al: Limited dorsal myeloschisis and congenital dermal sinus: comparison of clinical and MR imaging features. AJNR Am J Neuroradiol. 38(1):176-82, 2017
                                                                                              4. Schmidt C et al: Meningocele manqué: a comprehensive review of this enigmatic finding in occult spinal dysraphism. Childs Nerv Syst. 33(7):1065-71, 2017
                                                                                              5. McComb JG: A practical clinical classification of spinal neural tube defects. Childs Nerv Syst. 31(10):1641-57, 2015
                                                                                              6. Kole MJ et al: Currarino syndrome and spinal dysraphism. J Neurosurg Pediatr. 13(6):685-9, 2014
                                                                                              7. Moriyama T et al: Postoperative spinal cord herniation with pseudomeningocele in the cervical spine: a case report. Spine J. 13(10):e43-5, 2013
                                                                                              8. Le TC et al: Dorsal thoracic spinal cord herniation: report of an unusual case and review of the literature. Spine J. 12(10):e9-12, 2012
                                                                                              9. Singh N et al: Multiple neural tube defects in a child: A rare developmental anomaly. Surg Neurol Int. 3:147, 2012
                                                                                              10. Rao ZX et al: Congenital spinal intradural arachnoid cyst associated with intrathoracic meningocele in a child. J Zhejiang Univ Sci B. 11(6):429-32, 2010
                                                                                              11. Duz B et al: Cervical congenital midline meningoceles in adults. Neurosurgery. 63(5):938-44; discussion 944-5, 2008
                                                                                              12. Sanli AM et al: Giant true dorsal thoracic meningocele in a school-age child. Case report. J Neurosurg Pediatr. 1(5):399-401, 2008
                                                                                              13. Rossi A et al: Spinal dysraphism: MR imaging rationale. J Neuroradiol. 31(1):3-24, 2004
                                                                                              14. Akay KM et al: The initial treatment of meningocele and myelomeningocele lesions in adulthood: experiences with seven patients. Neurosurg Rev. 26(3):162-7, 2003
                                                                                              15. Barazi SA et al: High and low pressure states associated with posterior sacral meningocele. Br J Neurosurg. 17(2):184-7, 2003
                                                                                              16. Bekavac I et al: Meningocele-induced positional syncope and retinal hemorrhage. AJNR Am J Neuroradiol. 24(5):838-9, 2003
                                                                                              17. Graham D et al: Greenfield's Neuropathology. 7th ed. London, Arnold. 380, 2002
                                                                                              18. Ersahin Y et al: Is meningocele really an isolated lesion? Childs Nerv Syst. 17(8):487-90, 2001
                                                                                              19. Barkovich A: Pediatric Neuroimaging. 3rd ed. Philadelphia: Lippincott-Raven. 666-67, 2000
                                                                                              20. Tortori-Donati P et al: Spinal dysraphism: a review of neuroradiological features with embryological correlations and proposal for a new classification. Neuroradiology. 42(7):471-91, 2000
                                                                                              21. Unsinn KM et al: US of the spinal cord in newborns: spectrum of normal findings, variants, congenital anomalies, and acquired diseases. Radiographics. 20(4):923-38, 2000
                                                                                              22. Sattar TS et al: Pre-natal diagnosis of occult spinal dysraphism by ultrasonography and post-natal evaluation by MR scanning. Eur J Pediatr Surg. 8 Suppl 1:31-3, 1998
                                                                                              23. Ball W: Pediatric Neuroradiology. Philadelphia: Lippincott-Raven. 726-27, 1997
                                                                                              24. Tindall et al: The Practice of Neurosurgery. Baltimore: Lippincott, Williams and Wilkins. 2758-60, 1996
                                                                                              25. Steinbok P et al: Cervical meningoceles and myelocystoceles: a unifying hypothesis. Pediatr Neurosurg. 23(6):317-22, 1995
                                                                                              26. DeLaPaz RL: Congenital anomalies of the lumbosacral spine. Neuroimaging Clinics of North America. 3(3):429-31, 1993
                                                                                              27. Ebisu T et al: Neurenteric cysts with meningomyelocele or meningocele. Split notochord syndrome. Childs Nerv Syst. 6(8):465-7, 1990
                                                                                              28. Wolf YG et al: Thoraco-abdominal enteric duplication with meningocele, skeletal anomalies and dextrocardia. Eur J Pediatr. 149(11):786-8, 1990
                                                                                              29. Erkulvrawatr S et al: Intrathoracic meningoceles and neurofibromatosis. Arch Neurol. 36(9):557-9, 1979