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
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
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
Chaichana KL et al: Dural arteriovenous fistulas: epidemiology and clinical presentation. Neurosurg Clin N Am. 23(1):7-13, 2012
Mossa-Basha M et al: Imaging of cerebral arteriovenous malformations and dural arteriovenous fistulas. Neurosurg Clin N Am. 23(1):27-42, 2012
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
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
Kim NH et al: Myelopathy due to intracranial dural arteriovenous fistula: a potential diagnostic pitfall. Case report. J Neurosurg. 114(3):830-3, 2011
Patsalides A et al: Intracranial dural arteriovenous fistula presenting as an enhancing lesion of the medulla. J Neurointerv Surg. 2(4):390-3, 2010
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
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
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References
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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
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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
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
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
Chaichana KL et al: Dural arteriovenous fistulas: epidemiology and clinical presentation. Neurosurg Clin N Am. 23(1):7-13, 2012
Mossa-Basha M et al: Imaging of cerebral arteriovenous malformations and dural arteriovenous fistulas. Neurosurg Clin N Am. 23(1):27-42, 2012
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
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
Kim NH et al: Myelopathy due to intracranial dural arteriovenous fistula: a potential diagnostic pitfall. Case report. J Neurosurg. 114(3):830-3, 2011
Patsalides A et al: Intracranial dural arteriovenous fistula presenting as an enhancing lesion of the medulla. J Neurointerv Surg. 2(4):390-3, 2010
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
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
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