Trisomy 9p with an isochromosome of 9p.
An 18 1/2-year-old female is described with moderately severe mental retardation, the phenotype of the trisomy 9p syndromy, and an isochromosome for the short arm of a chromosome 9, contained in an unique karyotype, 46,XX,-9,t(7q9q),+ iso 9p.
D000293:Adolescent; D002869:Chromosome Aberrations; D002906:Chromosomes, Human, 6-12 and X; D003878:Dermatoglyphics; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D007621:Karyotyping; D010641:Phenotype; D014314:Trisomy