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FIG 2. Case 2: 30-year-old man with altered consciousness and drowsiness.
A, Axial spin-echo T1-weighted MR image (600/15 [TR/TE]) shows hyperintensity in the globus pallidus and putamen bilaterally. Minimal hyperintensities are also seen in the thalamus bilaterally.
B, Axial spin-echo proton density–weighted MR image (2600/22) shows hyperintensities in the heads of the caudate nuclei bilaterally. Hyperintensities are also seen in the globus pallidus and putamen bilaterally (right more than the left).
C, MR image at the level of the brain stem shows no abnormal signal.
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