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J Urol. 2008 Apr;179(4):1302-5; discussion 1305-6. doi: 10.1016/j.juro.2007.11.079. Epub 2008 Mar 4.

Late age (85 years or older) peak incidence of bladder cancer.

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  • 1Rebecca and John Moores University of California-San Diego Cancer Center, San Diego, California 92093-0850, USA.

Abstract

PURPOSE:

We examined the incidence rates of bladder cancer using California Cancer Registry data to determine if any trends exist.

MATERIALS AND METHODS:

Complete records of the 55,159 cases of invasive bladder cancer were examined from the original 92,677 bladder cancer cases recorded in the California Cancer Registry between 1988 and 2004.

RESULTS:

California Cancer Registry data showed a universal late age peak in age specific incidence of bladder cancer in men and women, and across ethnic boundaries. The rate of annual increase in the percent of bladder cancer in individuals 85 years or older was increasing about 10 times as rapidly as the percent of the population that was 85 years or older (slope = 0.395 vs 0.0336). Furthermore, during all 17 years the proportion of patients 85 or older with bladder cancer was about twice that of patients with other cancers regardless of gender.

CONCLUSIONS:

California Cancer Registry data illustrate a peak in the incidence of bladder cancer in individuals 85 years or older. However, to our knowledge there is no known explanation for this late peak in bladder cancer. With the rate of bladder cancer in the population 85 years or older increasing at a rapid pace, it is critical to encourage investigators to include this age group as they continue to search for causative factors and genetic contributors to bladder cancer as well as effective treatments.

PMID:
18289593
[PubMed - indexed for MEDLINE]
PMCID:
PMC3751586
Free PMC Article
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