Difference between revisions of "Klinefelter syndrome"

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==Prevalence==
==Prevalence==
*1 in 500.<ref name=pmid20348547>{{Cite journal  | last1 = Vignozzi | first1 = L. | last2 = Corona | first2 = G. | last3 = Forti | first3 = G. | last4 = Jannini | first4 = EA. | last5 = Maggi | first5 = M. | title = Clinical and therapeutic aspects of Klinefelter's syndrome: sexual function. | journal = Mol Hum Reprod | volume = 16 | issue = 6 | pages = 418-24 | month = Jun | year = 2010 | doi = 10.1093/molehr/gaq022 | PMID = 20348547 }}</ref>
*1 in 500 males.<ref name=pmid20348547>{{Cite journal  | last1 = Vignozzi | first1 = L. | last2 = Corona | first2 = G. | last3 = Forti | first3 = G. | last4 = Jannini | first4 = EA. | last5 = Maggi | first5 = M. | title = Clinical and therapeutic aspects of Klinefelter's syndrome: sexual function. | journal = Mol Hum Reprod | volume = 16 | issue = 6 | pages = 418-24 | month = Jun | year = 2010 | doi = 10.1093/molehr/gaq022 | PMID = 20348547 }}</ref>


==Characteristics==
==Characteristics==
Mnemonic ''Mr KLINE FELT Some Guys'':<ref>URL: [http://www.lifehugger.com/moc/2840/Klinefelters_syndrome_KS http://www.lifehugger.com/moc/2840/Klinefelters_syndrome_KS]. Accessed on: 27 March 2012.</ref>
Mnemonic ''Mr KLINE FELT Some Guys'':<ref>URL: [http://www.lifehugger.com/moc/2840/Klinefelters_syndrome_KS http://www.lifehugger.com/moc/2840/Klinefelters_syndrome_KS]. Accessed on: 27 March 2012.</ref>
*'''M'''ale phenotype.
*'''M'''ale phenotype.
*'''K'''aryotype usu. 47,XXY
*'''K'''aryotype usu. 47 XXY.
*'''L'''ong/tall.
*'''L'''ong/tall.
*'''I'''nfertile.
*'''I'''nfertile.
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*'''F'''SH elevated, minimal '''F'''acial & axillary hair.
*'''F'''SH elevated, minimal '''F'''acial & axillary hair.
*'''E'''stradiol/testosterone ratio elevation.
*'''E'''stradiol/testosterone ratio elevation.
*'''L'''H elevated, [[Leukemias]] risk increase ([[AML]]), Learning disability.
*'''L'''H elevated, [[leukemia|'''L'''eukemias]] risk increase ([[AML]]), '''L'''earning disability.
*'''T'''estosterone low.
*'''T'''estosterone low.
*'''S'''mall [[penis]] & [[testis]].
*'''S'''mall [[penis]] & [[testis]].
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==See also==
==See also==
*[[Chromosomal anomalies]].
*[[Chromosomal anomalies]].
*[[Leydig cell hyperplasia]].


==References==
==References==
48,460

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