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Ependymal Cyst
Anne G. Osborn, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Ependymal cyst (EC)
              • Synonyms

                • Neuroepithelial cyst, glioependymal cyst
              • Definitions

                • Congenital, benign, ependymal-lined cyst of brain

              IMAGING

              • General Features

                • 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. Yang T et al: Clinical characteristics and surgical outcomes of spinal intramedullary ependymal cysts. Acta Neurochir (Wien). 156(2):269-75, 2014
                                          2. Prieto R et al: Ependymal cyst of the midbrain. Clin Neuropathol. 32(3):183-8, 2013
                                          3. Savas Erdeve S et al: The endocrine spectrum of intracranial cysts in childhood and review of the literature. J Pediatr Endocrinol Metab. 24(11-12):867-75, 2011
                                          4. 1: Osborn AG, Preece MT. Intracranial cysts: radiologic-pathologic correlation and imaging approach. Radiology. 2006 Jun;239(3):650-64. Review. PubMed PMID: 16714456. and imaging approach. Radiology. 2006 Jun;239(3):650-64. Review. PubMed PMID: 16714456.
                                          5. Utsunomiya H et al: Midline cystic malformations of the brain: imaging diagnosis and classification based on embryologic analysis. Radiat Med. 24(6):471-81, 2006
                                          6. Yano S et al: Third ventricular ependymal cyst presenting with acute hydrocephalus. Pediatr Neurosurg. 42(4):245-8, 2006
                                          7. Pawar SJ et al: Giant ependymal cyst of the temporal horn -- an unusual presentation. Case report with review of the literature. Pediatr Neurosurg. 34(6):306-10, 2001
                                          8. Boockvar JA et al: Symptomatic lateral ventricular ependymal cysts: criteria for distinguishing these rare cysts from other symptomatic cysts of the ventricles: case report. Neurosurgery. 46(5):1229-32; discussion 1232-3, 2000
                                          9. Numaguchi Y et al: Large asymptomatic noncolloid neuroepithelial cysts in the lateral ventricle: CT and MR features. Neuroradiology. 31(1):98-101, 1989
                                          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

                                                      • Abbreviations

                                                        • Ependymal cyst (EC)
                                                      • Synonyms

                                                        • Neuroepithelial cyst, glioependymal cyst
                                                      • Definitions

                                                        • Congenital, benign, ependymal-lined cyst of brain

                                                      IMAGING

                                                      • General Features

                                                        • 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. Yang T et al: Clinical characteristics and surgical outcomes of spinal intramedullary ependymal cysts. Acta Neurochir (Wien). 156(2):269-75, 2014
                                                                                  2. Prieto R et al: Ependymal cyst of the midbrain. Clin Neuropathol. 32(3):183-8, 2013
                                                                                  3. Savas Erdeve S et al: The endocrine spectrum of intracranial cysts in childhood and review of the literature. J Pediatr Endocrinol Metab. 24(11-12):867-75, 2011
                                                                                  4. 1: Osborn AG, Preece MT. Intracranial cysts: radiologic-pathologic correlation and imaging approach. Radiology. 2006 Jun;239(3):650-64. Review. PubMed PMID: 16714456. and imaging approach. Radiology. 2006 Jun;239(3):650-64. Review. PubMed PMID: 16714456.
                                                                                  5. Utsunomiya H et al: Midline cystic malformations of the brain: imaging diagnosis and classification based on embryologic analysis. Radiat Med. 24(6):471-81, 2006
                                                                                  6. Yano S et al: Third ventricular ependymal cyst presenting with acute hydrocephalus. Pediatr Neurosurg. 42(4):245-8, 2006
                                                                                  7. Pawar SJ et al: Giant ependymal cyst of the temporal horn -- an unusual presentation. Case report with review of the literature. Pediatr Neurosurg. 34(6):306-10, 2001
                                                                                  8. Boockvar JA et al: Symptomatic lateral ventricular ependymal cysts: criteria for distinguishing these rare cysts from other symptomatic cysts of the ventricles: case report. Neurosurgery. 46(5):1229-32; discussion 1232-3, 2000
                                                                                  9. Numaguchi Y et al: Large asymptomatic noncolloid neuroepithelial cysts in the lateral ventricle: CT and MR features. Neuroradiology. 31(1):98-101, 1989