17p13.3 microduplication syndrome is characterized by variable psychomotor delay and dysmorphic features. The disease is Monarch Disease Ontology id MONDO_0013182 (chromosome 17p13.3 duplication syndrome). Also known as: 17p13.3 duplication syndrome, 17p13.3 microduplication syndrome, chromosome 17p13.3 centromeric duplication syndrome, dup(17)(p13.3), trisomy 17p13.3.