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American journal of neuroradiology skip to main page content home current issue publication preview search the ajnr archives interventional neuroradiology neurographics help search for keyword: go advanced search user name password sign in review article intracranial dural arteriovenous fistulas: classification, imaging findings, and treatment d. Gandhi a, j. Chen a, m. Pearl a, j. Huang b, j. J. Gemmete c and s. Kathuria a , b afrom the division of interventional neuroradiology (d. G. , j. viagra side effects muscle aches C. , m. P. , s. K. buy viagra ) bdepartment of radiology, and department of neurosurgery (j. H. , s. viagra without prescription K. ), johns hopkins university school of medicine, baltimore, maryland cdepartment of radiology and otolaryngology, head and neck surgery (j. viagra pills J. G. ), university of michigan, ann arbor, michigan please address correspondence to dheeraj gandhi, mbbs, md, division of interventional neuroradiology, department of radiology, university of maryland, 22 south greene st, baltimore, md 21201; e-mail: dgandhi{at}umm. Edu abstract 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. viagra tablets order online 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 cortical venous drainage davf dural arteriovenous fistula dmso dimethyl-sulfoxide fpct flat panel detector ct n-bca n-butyl 2-cyanoacrylate nhnd non-hemorrhagic neurologic deficit srs stereotactic radiosurgery tae transarterial embolization tve transvenous embolization ⩠2012 by american journal of neuroradiology indicates open access to non-subscribers at www. Ajnr. buy viagra online without script Org citeulike connotea delicious digg google+ what's this? discount female viagra pills No related web pages ⫠previous | next article ⻠table of contents free to access this article published online before print january 12, 2012, doi: 10. order viagra 3174/ajnr. A27. natural pills like viagra

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