Mon, 19 Aug 2019

More younger patients diagnosed with colorectal cancer

PanArmenian.Net
23 Jul 2019, 00:07 GMT+10

PanARMENIAN.Net - The incidence of colorectal cancer in adults younger than 50 years of age has increased in the United States since 1970. A new study published early online in CANCER, a peer-reviewed journal of the American Cancer Society, found that the proportion of adults diagnosed with colorectal cancer under age 50 in the United States has continued to increase over the past decade, and younger adults are diagnosed with more advanced disease.

To determine recent trends in colorectal cancer rates, Boone Goodgame, MD, of The University of Texas at Austin, and his colleagues examined information from the National Cancer Database registry, which includes more than 70 percent of new cancer cases in the United States. From 2004 to 2015 (the most recent year included in the database), 130,165 patients under age 50 and 1,055,598 patients over age 50 were diagnosed with colorectal cancer.

Among the major findings:

- The proportion of patients diagnosed with colorectal cancer under the age of 50 rose from 10 percent in 2004 to 12.2 percent in 2015.

- The proportion of young onset disease was higher in African American and Hispanic populations than non-Hispanic whites throughout 2004 to 2015.

- 51.6 percent of younger adults were diagnosed with more advanced stages of cancer (stage III/IV) versus 40 percent in those older than 50 years.

- Diagnoses in men under the age of 50 years rose only in non-Hispanic whites, while in women, Hispanic and non-Hispanic whites had an increase in younger diagnoses over time.

- Rates of colorectal cancer diagnosis in young adults increased over time regardless of income level. The highest proportion of young adult diagnoses occurred in the top income category.

- The proportion of colorectal cancers diagnosed in younger individuals rose in urban areas, but not in rural areas.

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