Arachnodactyly (Marfan's syndrome) with XYY karyotype.
D000293:Adolescent; D003878:Dermatoglyphics; D006801:Humans; D007621:Karyotyping; D008297:Male; D008382:Marfan Syndrome / Q000150:complications / Q000235:genetics*; D012729:Sex Chromosome Aberrations