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FIG 3. Mild PMD. T2-weighted MR imaging; metabolic images of Cho, Cr, and NAA; and selected spectra from the parietal white matter and parieto-occipital gray matter. T2-weighted MR images show patchy hyperintensity with greatest involvement in the centrum semiovale. NAA levels are bilaterally decreased in the parietal white matter. Gray-matter spectra are normal.
A, Patient 2, aged 3 years 8 months.
B, Control subject 2, aged 3 year 2 months.
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