klinefelter syndrome : Definition, Usages, News and More
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klinefelter syndrome
n syndrome in males that is characterized by small testes and long legs and enlarged breasts and reduced sperm production and mental retardation; a genetic defect in which an extra X chromosome (XXY) is present in the male
NIH study confirms risk factors for male breast cancer One of the largest studies conducted to date pooled data from studies of about 2,400 men with breast cancer and 52,000 men without breast cancer and confirmed that risk factors for male breast cancer include obesity, a rare genetic condition called Klinefelter syndrome, and gynecomastia (excess breast tissue).
Feb. 19, 2014 - National Cancer Institute