Klinefelter syndrome
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Klinefelter syndrome, abbreviated KS, is a common genetic abnormality in men.
Prevalence
- 1 in 500 males.[1]
Characteristics
Mnemonic Mr KLINE FELT Some Guys:[2]
- Male phenotype.
- Karyotype usu. 47 XXY.
- Long/tall.
- Infertile.
- Nondisjunction of sex chromosomes.
- Eunuchoid body proportions.
- FSH elevated, minimal Facial & axillary hair.
- Estradiol/testosterone ratio elevation.
- LH elevated, Leukemias risk increase (AML), Learning disability.
- Testosterone low.
- Small penis & testis.
- Gynecomastia.
See also
References
- ↑ Vignozzi, L.; Corona, G.; Forti, G.; Jannini, EA.; Maggi, M. (Jun 2010). "Clinical and therapeutic aspects of Klinefelter's syndrome: sexual function.". Mol Hum Reprod 16 (6): 418-24. doi:10.1093/molehr/gaq022. PMID 20348547.
- ↑ URL: http://www.lifehugger.com/moc/2840/Klinefelters_syndrome_KS. Accessed on: 27 March 2012.