Phenotype details |
see paper; ..., no intra-uterine growth retardation; no short stature; microcephaly, congenital; global developmental delay; 7y6m-walk; no speech; intellectual disability; no behavioral issues; N/A; hypotonia; seizures; MRI brain abnormal, EEG 7y-consistent with an encephalopathy. Multiple events captured consistent with nonepileptic paroxysms. Brain MRIs showed bifrontal periventricular nodular heterotopia L>R with mild prominence of the ventricular system, thin corpus callosum and some hypoplasia of the cerebral white matter. Foci of FLAIR hyperintensities in centrum semiovale/corona radiata (R>L) of unclear etiology. Decrease in cavum septum pellucidum. |