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Figure 4: Nitroimidazole toxicity. Case 14: (a) sagittal T2 showing expansion and hyperintensity in corpus callosum splenium (arrow). Case 15: (b) axial FLAIR showing symmetrical hyperintensity in bilateral dentate nuclei (long arrows) and central tegmental tracts (short arrows); (c) axial DWI shows diffusion restriction in bilateral dentate nuclei (arrows). Case 16: (d) axial DWI showing diffusion restriction in the splenium (arrow); (e) sagittal T2 showing hyperintensity in the splenium (arrow); (f) axial FLAIR image shows splenial hyperintensity (arrow)

Figure 4: Nitroimidazole toxicity. Case 14: (a) sagittal T2 showing expansion and hyperintensity in corpus callosum splenium (arrow). Case 15: (b) axial FLAIR showing symmetrical hyperintensity in bilateral dentate nuclei (long arrows) and central tegmental tracts (short arrows); (c) axial DWI shows diffusion restriction in bilateral dentate nuclei (arrows). Case 16: (d) axial DWI showing diffusion restriction in the splenium (arrow); (e) sagittal T2 showing hyperintensity in the splenium (arrow); (f) axial FLAIR image shows splenial hyperintensity (arrow)