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Terminal Myelocystocele
Jeffrey S. Ross, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Synonyms

                • Terminal syringocele
              • Definitions

                • Complex spinal malformation → hydromyelic, low-lying tethered spinal cord traverses meningocele to terminate in myelocystocele

              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. Catala M: Terminal myelocystocele. Neurosurgery. 72(4):E697-8, 2013
                                                2. Lee JY et al: Pathoembryogenesis of terminal myelocystocele: terminal balloon in secondary neurulation of the chick embryo. Childs Nerv Syst. 29(9):1683-8, 2013
                                                3. Muthukumar N: Terminal myelocystocele with holocord syringomyelia: Short report. J Pediatr Neurosci. 8(2):171-2, 2013
                                                4. Pang D et al: Terminal myelocystocele: surgical observations and theory of embryogenesis. Neurosurgery. 70(6):1383-404; discussion 1404-5, 2012
                                                5. Tandon V et al: Terminal myelocystocele: a series of 30 cases and review of the literature. Pediatr Neurosurg. 48(4):229-35, 2012
                                                6. Durnford AJ et al: Spontaneous regression of a terminal myelocystocele and associated syringomyelia: a case report. Childs Nerv Syst. 26(3):403-6, 2010
                                                7. Hashiguchi K et al: Holocord hydrosyringomyelia with terminal myelocystocele revealed by constructive interference in steady-state MR imaging. Pediatr Neurosurg. 44(6):509-12, 2008
                                                8. Morioka T et al: Neurosurgical management of occult spinal dysraphism associated with OEIS complex. Childs Nerv Syst. 24(6):723-9, 2008
                                                9. Muthukumar N: Terminal and nonterminal myelocystoceles. J Neurosurg. 107(2 Suppl):87-97, 2007
                                                10. Gupta DK et al: Terminal myelocystoceles: a series of 17 cases. J Neurosurg. 103(4 Suppl):344-52, 2005
                                                11. Rossi A et al: Imaging in spine and spinal cord malformations. Eur J Radiol. 50(2):177-200, 2004
                                                12. 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
                                                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

                                                              • Terminal syringocele
                                                            • Definitions

                                                              • Complex spinal malformation → hydromyelic, low-lying tethered spinal cord traverses meningocele to terminate in myelocystocele

                                                            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. Catala M: Terminal myelocystocele. Neurosurgery. 72(4):E697-8, 2013
                                                                                              2. Lee JY et al: Pathoembryogenesis of terminal myelocystocele: terminal balloon in secondary neurulation of the chick embryo. Childs Nerv Syst. 29(9):1683-8, 2013
                                                                                              3. Muthukumar N: Terminal myelocystocele with holocord syringomyelia: Short report. J Pediatr Neurosci. 8(2):171-2, 2013
                                                                                              4. Pang D et al: Terminal myelocystocele: surgical observations and theory of embryogenesis. Neurosurgery. 70(6):1383-404; discussion 1404-5, 2012
                                                                                              5. Tandon V et al: Terminal myelocystocele: a series of 30 cases and review of the literature. Pediatr Neurosurg. 48(4):229-35, 2012
                                                                                              6. Durnford AJ et al: Spontaneous regression of a terminal myelocystocele and associated syringomyelia: a case report. Childs Nerv Syst. 26(3):403-6, 2010
                                                                                              7. Hashiguchi K et al: Holocord hydrosyringomyelia with terminal myelocystocele revealed by constructive interference in steady-state MR imaging. Pediatr Neurosurg. 44(6):509-12, 2008
                                                                                              8. Morioka T et al: Neurosurgical management of occult spinal dysraphism associated with OEIS complex. Childs Nerv Syst. 24(6):723-9, 2008
                                                                                              9. Muthukumar N: Terminal and nonterminal myelocystoceles. J Neurosurg. 107(2 Suppl):87-97, 2007
                                                                                              10. Gupta DK et al: Terminal myelocystoceles: a series of 17 cases. J Neurosurg. 103(4 Suppl):344-52, 2005
                                                                                              11. Rossi A et al: Imaging in spine and spinal cord malformations. Eur J Radiol. 50(2):177-200, 2004
                                                                                              12. 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