2010
DOI: 10.1590/s0100-39842010000300008
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Valor preditivo positivo das categorias 3, 4 e 5 do Breast Imaging Reporting and Data System (BI-RADS®)

Abstract: OBJETIVO: O objetivo deste trabalho foi avaliar o BI-RADS® como fator preditivo de suspeição de malignidade em lesões mamárias não palpáveis nas categorias 3, 4 e 5, correlacionando as mamografias com os resultados histopatológicos através do cálculo do valor preditivo positivo do exame mamográfico. MATERIAIS E MÉTODOS: Trezentas e setenta e uma pacientes encaminhadas a um serviço de referência em tratamento de câncer em Teresina, PI, para realização de exames histopatológicos em mama no período de julho de 20… Show more

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Cited by 4 publications
(3 citation statements)
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“…In the present study, 31.81% of mammograms in which a biopsy was done for histopathological examination showed malignancy, that is, the overall PPV was 31.81%. In the United States, this value varies between 15 and 40% [9][10][11][12][13] . Some studies correlated mammographic and histopathological findings of breast lesions found a PPV for breast cancer between 12.3 and 47.8% 8,[14][15][16] .…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…In the present study, 31.81% of mammograms in which a biopsy was done for histopathological examination showed malignancy, that is, the overall PPV was 31.81%. In the United States, this value varies between 15 and 40% [9][10][11][12][13] . Some studies correlated mammographic and histopathological findings of breast lesions found a PPV for breast cancer between 12.3 and 47.8% 8,[14][15][16] .…”
Section: Discussionmentioning
confidence: 99%
“…Also illustrating this importance, another study of clinical relevance reached the conclusion that the histopathological studies of 76% of cases were negative for malignancy and only 24% were positive, showing PPV of 7.14, 16.96 and 82.61% for categories 3, 4 and 5, respectively 9 .…”
Section: Introductionmentioning
confidence: 95%
“…The breasts density is directly related to the utilization of hormone replacement therapy, and indirectly related to age, parity and body mass index (8) . In women with dense breasts, there is an increase in the number of dubious (probably benign) findings, and in the rate of false-positive results determining unnecessary biopsies (9) . Even with the utilization of computer-aided detection (CAD) systems, the mammography performance is not perfect, particularly for detecting architectural distortion and nodules (10) .…”
mentioning
confidence: 99%