Spontaneous regression of an extra- and intracranial arteriovenous malformation

Hansen, John H. L.; Søgaard, Ib

doi:10.3171/jns.1976.45.3.0338

Cited by 55 publications

(13 citation statements)

References 15 publications

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“…4,[7][8][9][10][11][12] All cases are summarized in Table 1. Five cases were Cognard classification type I and the venous circulation in the sinus was patent.…”

Section: Discussionmentioning

confidence: 99%

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Spontaneous Closure of Transverse Sinus Dural Arteriovenous Fistula -Case Report-

Saitô

Furuno

Nishimura

et al. 2008

Neurol. Med. Chir.(Tokyo)

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A 60-year-old man presented with transverse sinus dural arteriovenous fistula (AVF) manifesting as sudden onset of headache and nausea, which underwent spontaneous closure 5 years after the onset. Computed tomography on admission revealed small intraventricular hemorrhage in the right lateral ventricle. No intracranial vascular lesion was detected and magnetic resonance angiography was used at yearly follow up. Two years after the first admission, he suffered diplopia and cerebral angiography revealed transverse sinus dural AVF. Right pulsatile tinnitus occurred 4 years after the first admission. The symptoms suddenly disappeared 5 years after the first admission, and follow-up angiography showed disappearance of the dural AVF. The exact mechanism of the spontaneous occlusion of dural AVF remains unknown. This case of spontaneous transverse sinus dural AVF closure occurred without disruption of sinus patency, suggesting that thrombosis of the draining veins into sinuses was not involved.

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“…4,[7][8][9][10][11][12] All cases are summarized in Table 1. Five cases were Cognard classification type I and the venous circulation in the sinus was patent.…”

Section: Discussionmentioning

confidence: 99%

“…11,12) Only 17 cases of spontaneous closure have been reported. 2,4,[7][8][9][10][11][12][14][15][16] We report a case of angiographically proven spontaneous regression of transverse sinus dural AVF.…”

Section: Introductionmentioning

confidence: 99%

Spontaneous Closure of Transverse Sinus Dural Arteriovenous Fistula -Case Report-

Saitô

Furuno

Nishimura

et al. 2008

Neurol. Med. Chir.(Tokyo)

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“…19 Cases of spontaneous thrombosis/resolution of DAVFs have also been reported. [21][22][23][24][25][26][27] Any change in a patient's symptoms can reflect exacerbations of the venous drainage pattern and prompt further imaging work-up.…”

Section: Classification and Natural Historymentioning

confidence: 99%

Intracranial Dural Arteriovenous Fistulas: Classification, Imaging Findings, and Treatment

Gandhi

Chen

Pearl

et al. 2012

AJNR Am J Neuroradiol

372

417

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SUMMARY:Intracranial DAVFs are pathologic dural-based shunts and account for 10%-15% of all intracranial arteriovenous malformations. These malformations derive their arterial supply primarily from meningeal vessels, and the venous drainage is either via dural venous sinuses or through the cortical veins. DAVFs have a reported association with dural sinus thrombosis, venous hypertension, previous craniotomy, and trauma, though many lesions are idiopathic. The diagnosis is dependent on a high level of clinical suspicion and high-resolution imaging. Cross-sectional imaging techniques by using CT and MR imaging aid in the diagnosis, but conventional angiography remains the most accurate method for complete characterization and classification of DAVFs. The pattern of venous drainage observed on dynamic vascular imaging determines the type of DAVF and correlates with the severity of symptoms and the risk of hemorrhage.ABBREVIATIONS: CVD ϭ cortical venous drainage; DAVF ϭ dural arteriovenous fistula; DMSO ϭ dimethyl-sulfoxide; FPCT ϭ flat panel detector CT; n-BCA ϭ n-butyl 2-cyanoacrylate; NHND ϭ non-hemorrhagic neurologic deficit; SRS ϭ stereotactic radiosurgery; TAE ϭ transarterial embolization; TVE ϭ transvenous embolization

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“…Some isolated case series have hinted that some of these patients may undergo an angiographic pattern conversion on long-term follow-up. 3,[12][13][14][15][16][17][18][19][20][21][22] However, many of these patients had been treated palliatively and there is still controversy on whether or how often these lesions may actually show an evolutive pattern conversion without any treatment alterations. 23,24 The purpose of this study is to define the incidence, clinical, and angioarchitectural characteristics of patients with cranial DAVS showing natural temporal pattern conversions on diagnostic subtraction angiography (DSA) based on the long-term follow-up data from a large single-center database.…”

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confidence: 99%

Spontaneous Angiographic Conversion of Intracranial Dural Arteriovenous Shunt

Kim

terBrugge

Krings

et al. 2010

Stroke

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Background and Purpose-Dural arteriovenous shunt (DAVS) is a disease in which abnormal arteriovenous communications develop within the dura. Some case series have suggested DAVS may evolve over time, but the natural history is poorly understood. In this study, we aimed to define the incidence and clinical characteristics of patients with DAVS showing spontaneous angiographic pattern conversion. Methods-We assessed clinical and angiographic features of patients with angiographic conversion without any treatment from a single center database consisting of 335 DAVS cases. Spontaneous angiographic conversion was defined as complete occlusion of a pre-existing DAVS or conversion of a benign into an aggressive lesion on follow-up diagnostic subtraction angiography. Results-One hundred twelve patients were followed without treatment after the initial diagnosis of DAVS. Overall, we saw pattern conversion on angiography in 18 of the 112 cases (16.1%). Fourteen patients showed spontaneous occlusion of the shunt (12.5%); the most common locations of spontaneous obliteration were the transverse and cavernous sinuses. Four patients showed conversion to an aggressive lesion from benign DAVS (4.0%); all of these cases were associated with occlusion of the ipsilateral draining vein. Conclusions-DAVS is a dynamic disorder, which will show chronological progression. Spontaneous angiographic obliteration or conversion into an aggressive type may occur on follow-up of untreated DAVSs. (Stroke.

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Spontaneous regression of an extra- and intracranial arteriovenous malformation

Cited by 55 publications

References 15 publications

Spontaneous Closure of Transverse Sinus Dural Arteriovenous Fistula -Case Report-

Spontaneous Closure of Transverse Sinus Dural Arteriovenous Fistula -Case Report-

Intracranial Dural Arteriovenous Fistulas: Classification, Imaging Findings, and Treatment

Spontaneous Angiographic Conversion of Intracranial Dural Arteriovenous Shunt

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