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Fig. 2 | The Journal of Headache and Pain

Fig. 2

From: Dural arteriovenous fistulas and headache features: an observational study

Fig. 2

Subtypes of DAVFs according to angiographic features, Barrow’s and Cognard’s classifications. A: Location of DAVFs according to angiographic features with related percentages of presentations of our series. None superior sagittal sinus DAVF detected. B: Type of CCFs, according to Barrow’s classification (types A, B, C, D) and type of other DAVFs than CCFs, according to Cognard’s classification (types I, IIa, IIa + b, III, IV, V) and related percentages of presentations of our series. None type IIb detected. Abbreviations: CCFs = carotid-cavernous fistulas; DAVFs = dural arteriovenous fistulas

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