Bilateral teratoma of testis in two brothers with 47,XXY Klinefelter's syndrome.
Two brothers, the only children of healthy, unrelated parents with normal karyotypes, had 47,XXY-Klinefelter's syndrome and bilateral testicular teratomas. The oldest XXY-boy had, in addition, congenital hydrocephalus caused by congenital stenosis of the aqueduct of Sylvius.
D001706:Biopsy; D002675:Child, Preschool; D006801:Humans; D006849:Hydrocephalus / Q000150:complications / Q000235:genetics; D007223:Infant; D007713:Klinefelter Syndrome / Q000150:complications / Q000235:genetics*; D008297:Male; D013724:Teratoma / Q000150:complications / Q000235:genetics* / Q000473:pathology; D013736:Testicular Neoplasms / Q000150:complications / Q000235:genetics* / Q000473:pathology; D013737:Testis / Q000473:pathology