Phenotype details |
see paper; ..., intra-uterine growth retardation; short stature; microcephaly, congenital; severe global developmental delay; non-ambulatory; no speech; intellectual disability; no behavioral issues; N/A; hypotonia (truncal); seizures; MRI brain abnormal, 5y-thinning of corpus callosum, empty sella, enlarged ventricles, periventricular leukomalacia, punctate T2 hyperintensities, possible mild underdevelopment of the inferior cerebellar vermis. MRI at 8y - asymmetric enlargement and T2 FLAIR hyperintense signal throughout left hippocampus, which may be related to recent seizure; stable chronic changes including scattered white matter changes; 9y - development of left hippocampal atrophy at the site of previous left hippocampal enlargement. Newly associated slight ex vacuo dilatation of the left ventricle temporal horn. |