FIG 4. A and B, Lateral (A) and anterioposterior (B) selective angiograms of the meningeal artery of the cerebellar (Mening. A. of Cbll.) fossa in patient 3 show a DAVF draining into the inferior vermian vein (Inf. Verm. V.) via a short tentorial sinus (Tent.S.).

C, Right vertebral angiogram in patient 4 demonstrates enlarged artery of the falx cerebelli (A.of Falx Cbll.) supplying a DAVF and draining into the right inferior hemispheric vein (Inf.Hemsp. V.) through the tentorial sinus (Tent.S.)