About The Medical Condition Syndromes, Klinefelter

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

Syndromes, Klinefelter

Syndromes, Klinefelter Medical Condition Defined & Explained
Syndromes, Klinefelter Medical Condition

What's The Definition Of The Medical Condition Syndromes, Klinefelter?

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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