syndromic intellectual disability multiple congenital anomalies/dysmorphic syndrome-intellectual disability partial deletion of the long arm of chromosome 20 20q11.2 microdeletion syndrome https://github.com/monarch-initiative/mondo/issues/3664 https://www.malacards.org/card/20q112_microdeletion_syndrome 20q11.2 microdeletion syndrome is a rare, genetic, syndromic intellectual disability characterized by psychomotor delay, hypotonia, feeding difficulties, failure to thrive, anomalies of the hands and feet (clinodactyly, camptodactyly, brachydactyly, feet malposition), and craniofacial dysmorphism. Associated prenatal growth retardation, and gastrointestinal, heart and eye anomalies have been reported. Orphanet:444051 MEDGEN:1810637 monosomy 20q11 Del(20)(q11.2) UMLS:C5680063 MONDO:0018633 GARD:0021859