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Erschienen in:
09.06.2016 | Original Article
Colorectal Cancer in Young African Americans: Is It Time to Revisit Guidelines and Prevention?
Erschienen in: Digestive Diseases and Sciences | Ausgabe 10/2016
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Background & Aims
Previous studies have suggested an increase in the incidence of colorectal cancer (CRC) in young adults (younger than 50 years). Among older people, African Americans have disproportionally higher CRC incidence and mortality. We assessed whether this CRC disparity also applies to CRC diagnosed among young people.
Methods
Using the Surveillance, Epidemiology, and End Results cancer registries, a population-based cancer registry covering 25.6 % of the United States’ African American population, we identified patients diagnosed with CRC between the years of 2000–2012. The age-adjusted rates for non-Hispanic whites (NHW), African Americans, and Asian–Pacific Islanders (API) were calculated for the age categories 20–24, 25–29, 30–34, 35–39, and 40–44.
Results
CRC age-adjusted incidence is increasing among all three racial groups and was higher for African Americans compared to NHW and API across all years 2000–2012 (P < 0.001). Stage IV CRC was higher in African Americans compared with NHW, while there was higher stage III CRC in API compared with NHWs.
Conclusion
CRC incidence is increasing among the young in all racial groups under study. This increase in frequency of CRC is true among young African American adults who display highly advanced tumors in comparison with other races. While the present attention to screening seems to have decreased CRC prevalence in individuals older than 50, special attention needs to be addressed to young African American adults as well, to counter the observed trend, as they have the highest incidence of CRC among young population groups by race/ethnicity.