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Breast cancer in black African women: a changing situation

Human Biochemistry Research Unit, School of Pathology, University of the Witwatersrand, and the National Health Laboratory Service, PO Box 1038, Johannesburg 2000, South Africa, alexw{at}telkomsa.net

Fatima I Adam

Human Biochemistry Research Unit and National Health Laboratory Service, School of Pathology, University of the Witwatersrand, and the National Health Laboratory Service, PO Box 1038, Johannesburg 2000, South Africa

Betty F Walker, Dip Dom Sci

Human Biochemistry Research Unit and National Health Laboratory Service, School of Pathology, University of the Witwatersrand, and the National Health Laboratory Service, PO Box 1038, Johannesburg 2000, South Africa

Black African women in rural South Africa have a very low incidence rate of breast cancer, 5-10 per 100,000. The rate, however, is rising in the considerably increasing urban population. During the period 1994 to 1999 in Durban, enquiries revealed an average of 57 urban patients admitted to hospital each year, from a population of about 600,000 African women, indicating an age-adjusted annual incidence rate of 15.1 per 100,000. This incidence rate is very low in comparison with those in developed populations, which range from 40 to 89 per 100,000.

In the African patients studied, the mean age on admission was relatively young, 54.1±10.9 years, almost a decade earlier than patients of developed populations. Moreover, the disease was very far advanced; 21.1% were at Stage III and 63.1% at Stage IV. As to exposure to risk factors, African women in general are characterised by certain protective factors. These factors, which closely resemble those of importance in patients in developed populations are, late menarche, early age at birth of first child, high parity (with usually prolonged lactation), and being physically active. However, with ongoing changes in the lifestyle of urban African women, the protective factors are decreasing in their intensity. Changes in these respects have been associated with rises in the disease’s incidence rate. Clearly, because of the late stage of the disease at the time of the patients’ admission to hospital, and hence their poor survival rate, intensive efforts should be made to educate women to seek help at an early stage of their disease. For its avoidance, feasible protective or restraining measures are primarily to adopt a ‘prudent’ lifestyle, in respect of both dietary and non-dietary components. However, the chances of these measures being meaningfully adopted in African urban communities, unfortunately, are negligible. In consequence, further increases in incidence rate would seem inevitable.

Key Words: African women • breast cancer • mammography • screening controversy

The Journal of the Royal Society for the Promotion of Health, Vol. 124, No. 2, 81-85 (2004)
DOI: 10.1177/146642400412400212


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