Distal 7q11.23 microduplication syndrome is a rare chromosomal anomaly characterized by a predominantly neuropsychiatric phenotype with a few dysmorphic characteristics. Speech delay, learning difficulties, attention deficit hyperactivity disorder, bipolar disorder and aggressiveness have been reported. The disease is distal 7q11.23 microduplication syndrome (MONDO_0016832). Also known as: Dup7q11.23D, distal dup(7)(q11.23), distal trisomy 7q11.23.