Posterior reversible encephalophaty syndrome
Eclampsia and postpartum seizure.
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There are bilateral asymmetrical nonrestricted T2/FLAIR high signal intensity within the cortex and subcortical region of both parietal and occipital and frontal lobes and right external capsule and lentiform nucleus. ADC signal is increased in affected regions due to increased diffusion.
Asymmetric expression and basal ganglia and external capsule involvement in PRES are not common. Partial or asymmetric PRES is more frequently recognized in patients with eclampsia and solid organ transplantation. Awareness of this variability in the pattern is important in proper recognition of PRES, when present.