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Noncontrast FLAIR images through the dorsal pons demonstrate a variety of types of T2 hyperintensity. A, In patient 4, T2 hyperintensity in the dorsal pons (arrow) extends into the dentate nuclei. B, In patient 2, more focal and intense T2 signal is localized in the dorsal pons (arrow). C, In patient 6, ill-defined and less intense signal in the dorsal pons extends to the dentate nuclei (arrow). D, In patient 10, more focal and T2 hyperintensity is seen within the dorsal pons (arrow).
