MRI with DTI
A specialized MRI brain or spinal cord that evaluates neural pathways within the brain, brainstem, or spine, such as motor-skill controls and speech.
Currently ordered as an adjunct (additional views) to an MRI brain.
Usually done for surgical planning related to tumor resection.
"Profound improvements in perfusion and diffusion tensor imaging over the past few decades are changing the ways in which radiologists understand disease processes, especially those involving small blood vessels in the brain..." (Diagnostic Imaging pdf)