I with am a 54 yr. old woman, PKD patient in stage 4 renal fhailure, with increasing bad headaches, blurred vision, and nausea, a recent MRA shows a right middle cerebral artery aneurysm, 3mm, and I also have a left occipital arachnoid cyst; I am getting second opinions from neurosurgeons regarding this, while waiting thru consults, my headaches are increasing -- more likely a cause from the cyst or the small aneurysm? and blurred vision -- left occipital cyst causing this? I am troubled because the neurosurgeons I'm seeing just want to "watch this" and not do anything for now.. I feel they are guessing that kidney failure will happen before brain issues incur.. Thank you.