About The Medical Condition Klinefelter Syndrome

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Find the definition of the medical term Klinefelter Syndrome. Klinefelter Syndrome defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Klinefelter Syndrome

Klinefelter Syndrome Medical Condition Defined & Explained
Klinefelter Syndrome Medical Condition

What's The Definition Of The Medical Condition Klinefelter Syndrome?

A SEX CHROMOSOME DISORDER characterized by small testes, underdevelopment of secondary sexual characteristics, infertility (INFERTILITY, MALE), hyalinization and fibrosis of the seminiferous tubules, and elevated levels of gonadotropin. Patients tend to have long legs and a slim, tall stature. GYNECOMASTIA is present in many of the patients. The classic form has the karyotype 47,XXY. Several variants include those with the karyotpes 48,XXYY; 48,XXXY; 49,XXXXY, and several mosaic patterns ( 46,XY/47,XXY; 47,XXY/48,XXXY, etc.).

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