Women's Health Weekly
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Cancer Incidence
Extra X chromosome does not appear to increase cancer incidence, mortality in women
February 16th, 2006
An extra X chromosome does not appear to increase cancer incidence and mortality in women. "About one woman in 1,000 has an extra X chromosome, but such women have no recognized characteristic somatic features and little is known about their long-term health and cancer risks." Investigators from the University of London, Institute of Cancer Research conducted "a cohort study of mortality and cancer incidence in 542 women diagnosed with X polysomy at 25 cytogenetic centers in Britain since 1959." A.J. Swerdlow and colleagues reported, "Fifty-nine deaths occurred during follow-up to mid-2004. Mortality was significantly raised (standardised mortality...
Source: Women's Health Weekly (2006-02-16)
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