An upward trend in the age-specific incidence patterns for mantle cell lymphoma in the USA.

Leuk Lymphoma 2013 Aug 7;54(8):1677-83. Epub 2013 Feb 7.

Department of Health Studies, University of Chicago, Chicago, IL 60637, USA.

Although an increased incidence of mantle cell lymphoma (MCL) has been reported, age-specific incidence patterns have not been described. Further analyses could inform investigation into the etiology of this disease. We conducted an epidemiologic study using the 13 Surveillance, Epidemiology, and End Results (SEER) registries to evaluate MCL incidence from 1992 through 2009. We calculated the proportional changes in the incidence of MCL for subpopulations defined by age, race/ethnicity and gender over time and the racial/ethnic and gender disparities. We observed a 130.9% increase in MCL incidence from 1992-1994 to 2005-2009. The increase was strongest for males (199.0%) and for whites (153.0%). The incidence increased 161%, 200%, 398% and 429% from 1992-1994 to 2005-2009 in white men ages 50-59, 60-69, 70-79 and 80+, respectively, whereas the increase in white females was 86%, 82%, 50% and 193% in the corresponding age groups. We observed a male-to-female incidence rate ratio (IRR) of 2.65 and a white-to-black IRR of 2.21. Our analysis confirmed significant increases in MCL, and illustrated that the incidence is increasing more rapidly in elderly persons, particularly in white males. We also identified novel age-specific temporal trends by race/ethnicity and sex. In addition, we found that the gender and white-to-black disparities have grown over time. Our findings may impact MCL etiologic investigation and treatment research.

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http://dx.doi.org/10.3109/10428194.2012.760041DOI Listing
August 2013
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