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緒言
真性半陰陽は睾丸と卵巣が同一個体に共存している稀な奇形であり,竹崎1)により本邦100例が集計され報告されている。真性半陰陽における性染色体構成は他の半陰陽に比べはるかに多彩であるが,本邦では未報告の極めて稀な染色体構成,すなわち46XX/48XXYYのモザイクを呈した真性半陰陽症例を経験したので報告し,真性半陰陽の二,三の問題点につき考察を行なう。
A case of true hermaphroditism with a 46XX/48XXYY chromosomal complement was reported. The patient was a one year and three months old child reared as a boy. He was referred to us for evaluation of hypospadias. The phallus was developed well with chordee and urethra opening at peri-neum. He had labioscrotal folds without fusion, in which gonads were palpated bilaterally. The right gonad seemed to be a testis, but the left gonad was thought to be an ovotestis because of presence of a hard irregular surfaced portion within the gonad.
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