Fig. 2From: Angiographic analysis on posterior fossa hemorrhages and vascular malformations beyond aneurysms by CT angiography and digital subtraction angiographyPial AVM; a Sagittal MIP image, and b DSA image in lateral view in the same patient showing pial AVM in the posterior fossa with tangle of vascular channels—nidus (white arrows)—with enlarged draining veinsBack to article page