klinefelter-syndrome

Klinefelter's syndrome is associated with karyotype 47, XXY

Features
often taller than average
lack of secondary sexual characteristics
small, firm testes
infertile
gynaecomastia - increased incidence of breast cancer
elevated gonadotrophin levels

Diagnosis is by chromosomal analysis

Unless otherwise stated, the content of this page is licensed under Creative Commons Attribution-ShareAlike 3.0 License