title: [XYY syndrome: report of three cases].
abstract: Three cases of XYY syndrome (YY syndrome) were experienced. Two cases had such rare associated anomalies as hypospadias and cryptorchism. Pathogenesis, incidence, clinical symptoms, gonadal function and fertility of the patients with XYY syndrome are briefly discussed.
authors.affiliation: Department of Urology, Hyogo College of Medicine.
authors.forename: E
authors.initials: E
authors.lastname: Okamoto
authors.forename: H
authors.initials: H
authors.lastname: Yabumoto
authors.forename: T
authors.initials: T
authors.lastname: Terakawa
authors.forename: H
authors.initials: H
authors.lastname: Shima
authors.forename: F
authors.initials: F
authors.lastname: Ikoma
authors.forename: H
authors.initials: H
authors.lastname: Sakamoto
authors.forename: J
authors.initials: J
authors.lastname: Furuyama
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008297:Male; D012729:Sex Chromosome Aberrations; D014997:XYY Karyotype