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Posterior Fossa Dural Fistula With Intraspinal Drainage
Jeffrey S. Ross, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Synonyms

              • Intracranial dural arteriovenous fistula (dAVF) with spinal perimedullary venous drainage, Cognard type V fistula
            • Definitions

              • dAVF: Anomalous connection between dural arteries and venous sinuses &/or cortical veins without presence of normal intervening capillary bed
                • Rare dAVF variant has preferential venous drainage inferiorly into spinal veins

            IMAGING

            • General Features

              • CT Findings

                • MR Findings

                  • Imaging Recommendations

                    DIFFERENTIAL DIAGNOSIS

                      PATHOLOGY

                      • General Features

                        • Staging, Grading, & Classification

                          CLINICAL ISSUES

                          • Presentation

                            • Treatment

                              DIAGNOSTIC CHECKLIST

                              • Consider

                                • Image Interpretation Pearls

                                  Selected References

                                  1. Copelan AZ et al: Dural arteriovenous fistulas: a characteristic pattern of edema and enhancement of the medulla on MRI. AJNR Am J Neuroradiol. 39(2):238-44, 2018
                                  2. Saindane AM et al: Contrast-enhanced time-resolved MRA for pre-angiographic evaluation of suspected spinal dural arterial venous fistulas. J Neurointerv Surg. 7(2):135-40, 2014
                                  3. Chaichana KL et al: Dural arteriovenous fistulas: epidemiology and clinical presentation. Neurosurg Clin N Am. 23(1):7-13, 2012
                                  4. Mossa-Basha M et al: Imaging of cerebral arteriovenous malformations and dural arteriovenous fistulas. Neurosurg Clin N Am. 23(1):27-42, 2012
                                  5. Aixut Lorenzo S et al: Transvenous approach to intracranial dural arteriovenous fistula (Cognard v): a treatment option. A case report. Interv Neuroradiol. 17(1):108-14, 2011. Erratum in: Interv Neuroradiol. 18(1):114, 2012
                                  6. Chen G et al: Dural arteriovenous fistulae at the craniocervical junction: the relation between clinical symptom and pattern of venous drainage. Acta Neurochir Suppl. 110(Pt 2):99-104, 2011
                                  7. Kim NH et al: Myelopathy due to intracranial dural arteriovenous fistula: a potential diagnostic pitfall. Case report. J Neurosurg. 114(3):830-3, 2011
                                  8. Patsalides A et al: Intracranial dural arteriovenous fistula presenting as an enhancing lesion of the medulla. J Neurointerv Surg. 2(4):390-3, 2010
                                  9. Li J et al: Intracranial dural arteriovenous fistula with venous reflux to the brainstem and spinal cord mimicking brainstem infarction--case report. Neurol Med Chir (Tokyo). 44(1):24-8, 2004
                                  10. Cognard C et al: Cerebral dural arteriovenous fistulas: clinical and angiographic correlation with a revised classification of venous drainage. Radiology. 194(3):671-80, 1995
                                  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

                                              • Intracranial dural arteriovenous fistula (dAVF) with spinal perimedullary venous drainage, Cognard type V fistula
                                            • Definitions

                                              • dAVF: Anomalous connection between dural arteries and venous sinuses &/or cortical veins without presence of normal intervening capillary bed
                                                • Rare dAVF variant has preferential venous drainage inferiorly into spinal veins

                                            IMAGING

                                            • General Features

                                              • CT Findings

                                                • MR Findings

                                                  • Imaging Recommendations

                                                    DIFFERENTIAL DIAGNOSIS

                                                      PATHOLOGY

                                                      • General Features

                                                        • Staging, Grading, & Classification

                                                          CLINICAL ISSUES

                                                          • Presentation

                                                            • Treatment

                                                              DIAGNOSTIC CHECKLIST

                                                              • Consider

                                                                • Image Interpretation Pearls

                                                                  Selected References

                                                                  1. Copelan AZ et al: Dural arteriovenous fistulas: a characteristic pattern of edema and enhancement of the medulla on MRI. AJNR Am J Neuroradiol. 39(2):238-44, 2018
                                                                  2. Saindane AM et al: Contrast-enhanced time-resolved MRA for pre-angiographic evaluation of suspected spinal dural arterial venous fistulas. J Neurointerv Surg. 7(2):135-40, 2014
                                                                  3. Chaichana KL et al: Dural arteriovenous fistulas: epidemiology and clinical presentation. Neurosurg Clin N Am. 23(1):7-13, 2012
                                                                  4. Mossa-Basha M et al: Imaging of cerebral arteriovenous malformations and dural arteriovenous fistulas. Neurosurg Clin N Am. 23(1):27-42, 2012
                                                                  5. Aixut Lorenzo S et al: Transvenous approach to intracranial dural arteriovenous fistula (Cognard v): a treatment option. A case report. Interv Neuroradiol. 17(1):108-14, 2011. Erratum in: Interv Neuroradiol. 18(1):114, 2012
                                                                  6. Chen G et al: Dural arteriovenous fistulae at the craniocervical junction: the relation between clinical symptom and pattern of venous drainage. Acta Neurochir Suppl. 110(Pt 2):99-104, 2011
                                                                  7. Kim NH et al: Myelopathy due to intracranial dural arteriovenous fistula: a potential diagnostic pitfall. Case report. J Neurosurg. 114(3):830-3, 2011
                                                                  8. Patsalides A et al: Intracranial dural arteriovenous fistula presenting as an enhancing lesion of the medulla. J Neurointerv Surg. 2(4):390-3, 2010
                                                                  9. Li J et al: Intracranial dural arteriovenous fistula with venous reflux to the brainstem and spinal cord mimicking brainstem infarction--case report. Neurol Med Chir (Tokyo). 44(1):24-8, 2004
                                                                  10. Cognard C et al: Cerebral dural arteriovenous fistulas: clinical and angiographic correlation with a revised classification of venous drainage. Radiology. 194(3):671-80, 1995