| Phenotype details |
see paper; ..., 1y-deceased; high forehead, high eye brows, high arch palate, tented mouth; severe global developmental delay; generalized hypotonia, weak cry, swallowing problems, absent dtrs; irregular outline to prominent bodies of both lateral ventricles with abnormal periventricular T2 hyperintensity, generous extra‐axial csf spaces with bilateral and symmetric underopercularization, foreshortening and thinning of corpus callosum; hypertrophic cardiomyopathy; difficulty breathing and choking at 1 month of age, recurrent respiratory infections, laryngomalacia; feeding difficulties, constipation, distended abdomen, failure to thrive, hepatosplenomegaly; delayed fontanel closure; optic atrophy, esotropia; strawberry hematoma of right knee |