Journal
JOURNAL OF CHILD NEUROLOGY
Volume 23, Issue 8, Pages 950-953Publisher
SAGE PUBLICATIONS INC
DOI: 10.1177/0883073808315415
Keywords
periventricular nodular heterotopia; visual-spatial deficits; nonverbal learning disability
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Periventricular nodular heterotopia is a common malformation of cortical development in which the migration of developing neurons destined for the cerebral cortex is abbreviated. Bilateral periventricular nodular heterotopia is most commonly an X-linked disorder that involves mutations in the filamin A (FLNA) gene, but an autosomal recessive form and sporadic forms have been identified. To our knowledge, autosomal dominant transmission of isolated periventricular nodular heterotopia has not been reported. Periventricular nodular heterotopia has a heterogeneous phenotype, associated commonly with seizure disorder, and more recently with reading deficits and visual-spatial deficits in some patients. We present a father and son with bilateral periventricular nodular heterotopia and similar visual-spatial learning deficits, consistent with nonverbal learning disability.
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