has material basis in germline mutation in disease has major feature TELO2 syndromic intellectual disability congenital nervous system disorder epilepsy eye disorder TELO2-related intellectual disability-neurodevelopmental disorder https://github.com/monarch-initiative/mondo/issues/5588 https://www.malacards.org/card/you_hoover_fong_syndrome YHFS GARD:0017898 MONDO:0014848 OMIM:616954 MEDGEN:934745 Orphanet:488642 UMLS:C4310778 you-Hoover-Fong syndrome multiple congenital anomalies/dysmorphic syndrome-intellectual disability multiple congenital anomalies/dysmorphic syndrome-variable intellectual disability syndrome obsolete neuro-ophthalmological disease obsolete syndromic urogenital tract malformation partial monosomy of the long arm of chromosome 9 congenital limb malformation central nervous system malformation obsolete syndromic corneal dystrophy obsolete syndromic retinitis pigmentosa hereditary neurological disease