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Old 01-14-2013
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Arrow Klinefelter Syndrome

Klinefelter Syndrome:

→ 47 XXY

→ Causes male hypogonadism, reduced spermatogenesis, male infertility

→ Histologic examination → testis → some/all of testicular tubules → be completely atrophied → replaced by pink hyalinized tissue

→ Elongated body with abnormally long legs

→ Small atrophic testes

→ Small penis

→ Absent secondary male characteristic

→ Gynecomastia

→ Laboratory → Increase FSH, increase LH, increase estradiol, decrease testosterone
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