Kidney cancer rates increasing fastest among people younger than 65.WebMD (2/23, Laino) reported that the US kidney cancer rate has "risen steadily since 1975 and, since 1991, the greatest increase has been among younger people," according to a study presented at the Genitourinary Cancers Symposium. From 1975 to 1990, the number of "new cases increased on average by 3.6%," annually; and from 1991 to 2006, cases rose "on average by 2.9% per year." Although cases "increased in all age groups," the proportion of patients "diagnosed when they were younger than age 65 increased from 45.9% in 1991 to 55.3% in 2006." Christopher G. Wood, MD, of University of Texas M.D. Anderson Cancer Center said some of the rise "comes from increased detection on CT scans" but that does not explain the "trend entirely, because the rise" began before CT scan use "started skyrocketing in the 1980s."
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