A Case of 47, XXY Klinefelter Syndrome

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  • ４７，ＸＸＹ　Ｋｌｉｎｅｆｅｌｔｅｒ症候群の１例

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A 27 year old man was admitted to our hospital with complaints of gynecomastia and symptoms similar to diabetes insipidus.<br>He was 193.5 cm in height and 84 kg in weight and was eunuchoidism.<br>There was gynecomastia and aspermatogenesis. Both testis was small, but penis and pubic hair was normally developed. The examination of sex chromosome was conducted to diagnose as 47, XXY Klinefelter syndrome.<br>Histological examination of the testis was tubular sclerosis and interstitial cell prolif-eration.<br>Endocrinological examination showed low TSH response to TRH and excessive PRL response. Basal LH and FSH values were high, and both of them showed excessive response to LH-RH. GH response to arginine infusion was normal, and thyroidal function and adrenocortical function were normal.

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