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AJNR - American Journal of Neuroradiology

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Visualization of Evolving Status Epilepticus with Diffusion and Perfusion MR Imaging

Valentina Calistri^a, Francesca Caramia^a, Federico Bianco^b, Francesco Fattapposta^b, Flavia Pauri^b and Luigi Bozzao^a

^a Chair of Neuroradiology, Department of Neurological Sciences, Università di Roma La Sapienza, Italy
^b Section of Neuroradiology, Università di Roma La Sapienza, Italy

View larger version (92K): [in a new window]   FIG 1. Images obtained during the ictal phase on day 1 in an 83-year-old woman with EPC. Top left, T2-weighted FLAIR MR images show diffuse and slight hyperintensity in the right frontotemporal cortex. Bottom left, rCBF maps show hyperperfusion of the right cerebral hemisphere and the contralateral cerebellum (arrows). Top right, On DW images, the same regions show marked hyperintensity. Bottom right, Corresponding decreased ADC is shown.

View larger version (89K): [in a new window]   FIG 2. Postictal studies obtained on day 15 after the onset of seizures. Top left, FLAIR MR images demonstrate near-complete resolution of the cortical hyperintensity. rCBF maps (bottom left), DW images (top right), and ADC maps (bottom right) show near-complete resolution of the previous perturbations, both in the cerebral cortex and in the contralateral cerebellar hemisphere.