Fig. 2
From: Dural arteriovenous fistulas and headache features: an observational study
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