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Know The Facts: Learn More About Breast Cancer Within Minorities

| March 1, 2013 | 0 Comments

Breast cancer unites women of all color and creed under a common banner of hope. But not all breasts are created equal.

Different minority populations, as well as subgroups within those populations, face distinct challenges and risk factors when it comes to breast health.

Breast Cancer Statistics for African American Women

Incidence

•    In 2011, it was estimated that 26,840 new cases of breast cancer were expected to occur among African American women

•    Breast cancer is the most common cancer among African American women.

•    African American women have a higher incidence rate before age 40 and are more likely to die at every age compared to non-Hispanic white women.

•    Breast cancer incidence rates increased among African American women in the 1980s. However, breast cancer incidence rates have stabilized since 1992

•    African American women are less likely to be diagnosed with smaller tumors (less than 2 cm) and more likely to be diagnosed with larger tumors (greater than 5cm)

•    African American women have higher rates of distant-stage breast cancer compared to white women and rates of distant-stage disease have increased slightly (0.7 percent per year) since 1975, whereas rates among white women have remained stable.

•    Breast cancers diagnosed in African American women are more likely to have factors associated with poor prognosis, such as higher grade, distant stage, and hormone receptor negative status.

•    Postmenopausal African American women appear to be at particular risk for basal-like breast cancer (i.e., triple-negative cancers), an aggressive subtype of breast cancer associated with shorter survival.

Mortality

•    An estimated 6,040 deaths from breast cancer are expected to occur among African American women in 2011.

•    Breast cancer is the second most common cause of cancer death among African American women, exceeded only by lung cancer.

•    Breast cancer death rates among African American women decreased 1.6 percent annually from 1998 to 2007.

•    The steady decline in overall female breast cancer mortality since the early 1990s has been attributed to improvements in both early detection and treatment. However, breast cancer death rates have declined more slowly in African American women compared to white women, which has resulted in a growing disparity.

•    By 2007, African American women had a 41 percent higher death rate than white women.

•    The higher mortality rate in African American women may be related to differences in access to and utilization of early detection and treatment and differences in tumor characteristics.

Survival

•    Since 1975, the breast cancer 5-year survival rate has increased significantly for African American women, yet there remains a substantial gap between white and African American women.

•    Currently, the 5-year relative survival rate is 77 percent for African Americans compared to 90 percent among white women.

•    Fifty-one percent of all breast cancers diagnosed among African American women are at a local stage, compared to 61 percent among white women.

•    Possible reasons for poorer stage-specific survival of African American women compared to white women include unequal receipt of prompt, high-quality treatment; the observation that aggressive tumor characteristics are more common in African American women; and the suggestion that factors associated with sociology-economic may influence the biologic behavior of breast cancer.

Screening

•    In 2008, the proportion of African American women aged 40 and older who reported getting a mammogram within the past two years was 67.7 percent (68 percent for non-Hispanic white women. However, only 52.2 percent of African American women reported having a mammogram within the past year compared to 54.2 of non-Hispanic white women.

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