between Rosenthal basal vein (BVR) type and diameter and perimesencephalic
nonaneurysmal subarachnoid hemorrhage (P-SAH). Materials and methods Aneurysmal
subarachnoid hemorrhage (A-SAH), P-SAH, and control groups were evaluated, and BVRs
were classified by type. BVR diameters in patients were measured. Results There was a
statistically significant difference of BVR drainage types between groups (P=. 002). BVR …