title: Isochromosome 15 with behaviour disorder.
abstract: An isochromosome of 15(q12) was found in a mentally retarded patient with behaviour disorders which included hyperactivity, short attention span, aggression, and autistic behaviour. There were only minor physical anomalies; he did not have the Prader-Willi syndrome.
mesh_terms: D000293:Adolescent; D001289:Attention Deficit Disorder with Hyperactivity / Q000235:genetics*; D002869:Chromosome Aberrations; D002871:Chromosome Banding; D002901:Chromosomes, Human, 13-15; D006801:Humans; D007621:Karyotyping; D008297:Male