Case 19: 14-month-old boy with bilateral frontal and sylvian polymicrogyria. Case 19: 14-month-old boy with bilateral frontal and sylvian polymicrogyria.

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Presentation transcript:

Case 19: 14-month-old boy with bilateral frontal and sylvian polymicrogyria. Case 19: 14-month-old boy with bilateral frontal and sylvian polymicrogyria. Axial SE (3000/120) image, obtained at age 3 months, shows polymicrogyria involving the orbital and medial surfaces of the frontal lobes and along the insular cortex. The opercula are too wide.fig 5. Case 16: 10-month-old girl with bilateral lateral parietal polymicrogyria. Axial SE (3000/120) image shows polymicrogyria over the parietal convexities (arrows) bilaterally.fig 6. Case 17: 6-year-old boy with bilateral parasagittal parieto-occipital polymicrogyria. Axial inversion-recovery (1600/16, IR = 400) image shows the irregular cortex (arrows) in a parasagittal location involving the parietal and occipital lobes. A. James Barkovich et al. AJNR Am J Neuroradiol 1999;20:1814-1821 ©1999 by American Society of Neuroradiology