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Figure 4: Axial T2-weighted images: (a) Hyperintense signal in bilateral middle cerebellar peduncles (arrows) and right cerebellar hemisphere (curved arrow). (b) Sagittal image showing abnormal hyperintense signals in the ventral pons and splenium of the corpus callosum (arrow). (c) Postcontrast image showing subtle enhancement at the level of the midbrain in the right cerebral peduncle (arrow). (d) Minimal enhancement is also seen in the posterior limb of the left internal capsule

Figure 4: Axial T2-weighted images: (a) Hyperintense signal in bilateral middle cerebellar peduncles (<i>arrows</i>) and right cerebellar hemisphere (<i>curved arrow</i>). (b) Sagittal image showing abnormal hyperintense signals in the ventral pons and splenium of the corpus callosum (<i>arrow</i>). (c) Postcontrast image showing subtle enhancement at the level of the midbrain in the right cerebral peduncle (<i>arrow</i>). (d) Minimal enhancement is also seen in the posterior limb of the left internal capsule