Klinefelter syndrome is a genetic condition that affects only males. Here's what you should know about the causes, symptoms, ...

Karyotyping performed by G-banding technique revealed a 47 XXY karyotype, which is diagnostic of Klinefelter's syndrome. Doppler ultrasound of the leg ulcers disclosed partial thrombus in the ...

Evidence from patients with Klinefelter's syndrome suggests that the Y chromosome is strongly male determining. In these subjects, who have sex-chromosome constitutions of type XXY, there is ...

A genetic evaluation demonstrated Klinefelter syndrome 47, XXY karyotype with concurrent duplication of 3p21.31 by microarray analysis. Maternal genetic analysis demonstrated the same 3p21.31 ...

About 15% of men with nonobstructive azoospermia have Klinefelter syndrome. The testes of men with the nonmosaic (47,XXY) form of this condition show only rare, focal areas of spermatogenesis ...