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- Maria Augusta Montenegro, Li Min Li, Marilisa M Guerreiro, and Fernando Cendes.
- Department of Neurology, University of Campinas, P.O. Box 6111, Campinas, SP 13083-970, Brazil.
- J Neuroimaging. 2002 Jan 1; 12 (1): 52-4.
AbstractSubcortical laminar heterotopia (SLH) is a subtype of malformation of cortical development characterized by laminar gray matter between the cortex and ventricles, which can vary in thickness and may be continuous or discontinuous. The objective of this study is to describe a normal finding of high-resolution magnetic resonance imaging that may simulate an SLH. SLH is isointense to cortex on both T1- and T2-weighted/FLAIR images, usually both anteriorly and posteriorly in location. Conversely, pseudo-SLH is a normal variant present only at the posterior aspect of the brain, and with dark signal on both T1- and T2-weighted/FLAIR images.
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