Can you visualize in the mri views if the cranial nerves are encroaching in the skull base foramen?

MRI of cranial nerve: Mri can visualize the origins of the cranial nerves. As the nerves exit the brainstem and enter various canals and foramina, they become smaller and a bit more difficult to visualize directly. Not entirely sure what you mean by "encroaching in" the skull base foramen, but there can be direct/indirect findings on MRI if there is a problem with a cranial nerve at the skull base.