17q11.2 microduplication syndrome is characterized by dysmorphic features and intellectual deficit. The disease is Monarch Disease Ontology identifier MONDO_0015350 (17q11.2 microduplication syndrome). Also known as: Grisart-Destree syndrome, Grisart-Destrée syndrome, Nf1 Microduplication Syndrome, chromosome 17q11.2 duplication syndrome, 1.4-mb, dup(17)(q11.2), trisomy 17q11.2.