The quadrigeminal cistern is an enlargement of the subarachnoid space that surrounds the quadrigeminal plate.
Anatomy
The Vein of Galen, the origin of the Trochlear nerve, and the Pineal gland[^1] course within the quadrigeminal cistern. Adjacent to the quadrigeminal cistern are the Superior cerebellar cistern, the Ambient cistern, and the Pericallosal cistern[^1].
