SciELO - Scientific Electronic Library Online

vol.40 issue2Computed tomography findings in patients less than 20 years old with lymphomaProfile of the physician undergoing education in radiology and diagnostic imaging author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand




Related links


Radiologia Brasileira

Print version ISSN 0100-3984On-line version ISSN 1678-7099


ROVEDA JUNIOR, Decio et al. Predictive values of bi-rads categories 3, 4 and 5 in non-palpable breast masses evaluated by mammography, ultrasound and magnetic resonance imaging. Radiol Bras [online]. 2007, vol.40, n.2, pp.93-98. ISSN 0100-3984.

OBJECTIVE: To evaluate the predictive value of BI-RADS™ categories 3, 4 and 5 in non-palpable breast masses assessed by mammography, ultrasound and magnetic resonance imaging MATERIALS AND METHODS: Twenty-nine patients with BI-RADS categories 3, 4 and 5 nonpalpable breast masses identified by mammograms were submitted to complementary ultrasound and magnetic resonance imaging studies, besides excisional biopsy. In total, 30 biopsies were performed. The lesions as well as their respective BI-RADS classification into 3, 4 and 5 were correlated with the histopathological results. The predictive values calculation was made by means of specific mathematical equations. RESULTS: Negative predictive values for category 3 were: mammography, 69.23%; ultrasound, 70.58%; and magnetic resonance imaging, 100%. Positive predictive values for category 4 were: mammography, 63.63%; ultrasound, 50%; and magnetic resonance imaging, 30.76%. For category 5, positive predictive values were: mammography and ultrasound, 100%; and magnetic resonance imaging, 92.85%. CONCLUSION: For category 3, the negative predictive value of magnetic resonance imaging was high, and for categories 4 and 5, the positive predictive values of the three modalities were moderate.

Keywords : BI-RADS; Breast cancer; Mammography; Predictive value.

        · abstract in Portuguese     · text in English | Portuguese     · English ( pdf ) | Portuguese ( pdf )


Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License