Figure 23:DWI of parenchymal brainstem NBD.
A. Axial T2 weighted SE MR image shows a faintly hyper-intense lesion involving the pons (arrowhead) as well as the adjacent right brachium pontis (arrow).
B. DWI (b=1000 s/mm2) shows corresponding iso to mild hyper intensity denoting vasogenic edema in a parenchymal NBD lesion (arrow).