The superior cerebellar vein is formed by the union of the precentral cerebellar vein and superior vermian vein in the quadrigeminal cistern and ascends vertically as an unpaired structure to drain into the inferior aspect of the proximal (anterior) great cerebral vein of Galen 1) 2)
The precentral cerebellar vein and superior vermian vein enter the vein of Galen from below and are fused in almost half of all studied patients, creating a third vessel by the name of the superior cerebellar vein 3)