Published online by Cambridge University Press: 22 November 2024
The superior cerebellar artery (SCA) is the second most superior branch from the basilar artery, branching bilaterally just inferior to the origin of the posterior cerebral artery. From its origin at the basilar artery, the SCA first travels laterally, anterior to the pons in the prepontine cistern, passing inferior to the oculomotor nerve that separates it from the posterior cerebral artery. The SCA then curves posteriorly and travels through the ambient cistern, passing just inferior to the trochlear nerve before traveling posteromedially to the lateral edges of the quadrigeminal cistern, coming in close proximity to the contralateral SCA.
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