title: Phenotype of 49,XXYYY.
abstract: A 7-year-old boy with 49,XXYYY karyotype is reported. Physical examination revealed facial dysmorphism, mild microcephaly, limitation of supination at the elbows, delayed bone age and moderate mental retardation.
authors.affiliation: Department of Pediatrics, All India Institute of Medical Sciences, New Delhi.
authors.forename: G P
authors.initials: GP
authors.lastname: Das
authors.forename: A
authors.initials: A
authors.lastname: Shukla
authors.forename: I C
authors.initials: IC
authors.lastname: Verma
mesh_terms: D002648:Child; D005147:Facial Bones / Q000002:abnormalities*; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D007621:Karyotyping; D008297:Male; D008831:Microcephaly / Q000235:genetics; D012729:Sex Chromosome Aberrations / Q000235:genetics*; D013580:Synostosis / Q000235:genetics; D014457:Ulna / Q000002:abnormalities; D014960:X Chromosome; D014998:Y Chromosome