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Multicenter Study
. 2007 Jul 5;125(4):210-4.
doi: 10.1590/s1516-31802007000400003.

Presumed prevalence analysis on suspected and highly suspected breast cancer lesions in São Paulo using BIRADS criteria

Vivian Milani  1 , Suzan Menasce Goldman, Flora Finguerman, Marianne Pinotti, Celso Scazufka Ribeiro, Nitamar Abdalla, Jacob Szejnfeld
Affiliations
Multicenter Study

Presumed prevalence analysis on suspected and highly suspected breast cancer lesions in São Paulo using BIRADS criteria

Vivian Milani et al. Sao Paulo Med J. .

Abstract
in English, Portuguese

Context and objective: Breast cancer screening programs are critical for early detection of breast cancer. Early detection is essential for diagnosing, treating and possibly curing breast cancer. Since there are no data on the incidence of breast cancer, nationally or regionally in Brazil, our aim was to assess women by means of mammography, to determine the prevalence of this disease.

Design and setting: The study protocol was designed in collaboration between the Department of Diagnostic Imaging (DDI), Institute of Diagnostic Imaging (IDI) and São Paulo Municipal Health Program.

Methods: A total of 139,945 Brazilian women were assessed by means of mammography between April 2002 and September 2004. Using the American College of Radiology (ACR) criteria (Breast Imaging Reporting and Data System, BIRADS), the prevalence of suspected and highly suspected breast lesions were determined.

Results: The prevalence of suspected (BIRADS 4) and highly suspected (BIRADS 5) lesions increased with age, especially after the fourth decade. Accordingly, BIRADS 4 and BIRADS 5 lesions were more prevalent in the fourth, fifth, sixth and seventh decades.

Conclusion: The presumed prevalence of suspected and highly suspected breast cancer lesions in the population of São Paulo was 0.6% and it is similar to the prevalence of breast cancer observed in other populations.

CONTEXTO E OBJETIVO:: Os programas de rastreamento para câncer de mama são fundamentais para a detecção precoce da doença. A detecção precoce de lesões suspeitas é essencial para diagnóstico, tratamento e possível cura do câncer de mama. Como no Brasil não há dados nacionais ou regionais sobre a prevalência do câncer de mama, nosso objetivo foi avaliar mulheres através da mamografia para determinar a prevalência da doença no Brasil no período de abril de 2002 a setembro de 2004.

TIPO DE ESTUDO E LOCAL:: Este trabalho foi realizado com a colaboração do Departamento de Diagnóstico por Imagem (DDI), Instituto de Diagnóstico por Imagem e da Prefeitura da cidade de São Paulo.

MÉTODOS:: Um total de 139.945 mulheres brasileiras foram avaliadas através de mamografias no período de abril de 2002 a setembro de 2004. Utilizando o sistema Birads® ACR (Breast Imaging Reporting and Data System, American College), a prevalência de lesões suspeitas e altamente suspeitas foi determinada.

RESULTADOS:: A prevalência de lesões suspeitas (BIRADS® 4) e altamente suspeitas (BIRADS® 5) aumentou com a idade, especialmente após a quarta década. De acordo com isso, as lesões BIRADS® 4 e BIRADS® 5 são mais prevalentes nas quarta, quinta, sexta e sétima décadas de vida.

CONCLUSÕES:: A prevalência presumida de lesões suspeitas e altamente suspeitas de câncer de mama na população da cidade de São Paulo é 0,6% e esta prevalência é similar a de outras populações observadas.

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Conflict of interest statement

Conflict of interest: Not declared

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