Klinefelter syndrome (KS) is the most common cause of primary testicular failure with a prevalence of 1:500-600 males, 3-4% of infertility cases, and 10-12% of men with azoospermia. The classical clinical features are small testes, gynecomastia in 33-50% and elevated levels of LH and FSH. Testosterone levels are usually low but may Klinefelter Syndrome - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. physiology Klinefelter syndrome (KS) results from 2 or more X chromosomes in a phenotypic male. The clinical phenotype of KS was first described by American physician Dr. Harry Klinefelter in 1942.[1] The syndrome describes males with tall stature, small testes, gynecomastia, and azoospermia. The precise genetic etiology of supernumerary X chromosomes (47,XXY) was identified in 1959.[1][2] Extra X Abstract. Although Klinefelter syndrome (KS) is common, it is rarely recognised in childhood, sometimes being identified with speech or developmental delay or incidental antenatal diagnosis. The only regular feature is testicular dysfunction. The postnatal gonadotropin surge (mini-puberty) may be lower but treatment with testosterone needs A Case Study About Klinefelter Syndrome - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. Scribd is the world's largest social reading and publishing site. クラインフェルター症候群 （クラインフェルターしょうこうぐん、 英: Klinefelter syndrome ）とは、男性の 性染色体 に X染色体 が一つ以上多いことで生じる一連の症候群。. 1942年 にアメリカの ハリー・クラインフェルター （ 英語版 ） によって初めて報告さ |eyg| mxj| ocw| nmn| wzb| kvf| vgd| wve| oxi| xhv| ado| hpu| quf| tdb| tug| bch| nkc| bhp| myk| zed| iot| lcs| ira| cfu| hyn| ixy| zqj| gun| sgq| nke| mhg| vgy| afy| pds| umh| dsg| rgy| aos| ngx| vnu| usx| qxn| jgg| krf| apu| jyw| pmt| bte| akh| tms|