Fig. 3From: Angiographic analysis on posterior fossa hemorrhages and vascular malformations beyond aneurysms by CT angiography and digital subtraction angiographyPial AVM; a DSA image in AP view showing pial AVM in the posterior fossa with arterial feeder from dilated SCA (white arrow) and drainage via early draining vein (yellow arrow) into the left transverse/sigmoid sinus, b DSA image in lateral view showing dilated meningohypopyseal trunk (white arrow) supplying the AVMBack to article page