Magnetic resonance angiography of a pseudoxanthoma elasticum patient’s cerebral arteries. The patient had exhibited ischemic symptoms of the vertebrobasilar area in addition to symptoms of right hemisphere ischemia. The left vertebral artery appeared as a mere stump on the left side of the basilar artery and was diagnosed as a subtotal occlusion suspected to be caused by a dissection. Subsequently, a percutaneous intervention was performed