Main clinical features
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microcephaly, hiatus hernia, and nephrotic syndrome, microcystic dysplasia and focal glomerulosclerosis
microcephaly, apparent porencephaly or encephalomalacia, developmental delay, minor facial anomalies, and contractural arachnodactyly, major brain abnormalities include cerebral atrophy and neural-migration defects, such as agyria, microgyria, or polymicrogyria, associated with severe psychomotor impairment, hypotonia, and seizures in half of all cases
early death before the age of 6 years |