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Uro-andrological glossary

Klinefelter


Chromosomal disease (syndrome) present in 1: 500-1000 male births caused by the presence of two X chromosomes in pure form (karyotype 47, XXY) or in mosaic (karyotype 46, XY / 47, XXY). It is associated with primary testicular damage that occurs with severe alteration of spermatogenesis and frequent hypogonadism.


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