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Digital subtraction cerebral angiography, arterial phase. a: Right anterior oblique view. b: Lateral view. c: 3D reconstruction. Female 31-year-old patient with a diagnosis of DCSF. Early contrast-enhancement of the cavernous sinus (bold arrows) which drains to the IPS (dashed arrows). One also observes that there is no drainage through the SOV, characterizing a DCSF with only posterior drainage
