Category Archives: Mammography

False-positive and False-negative Rates of Mammograms

False-negative rate – about 1/5 = 20% A false-negative mammogram looks normal even though breast cancer is present. Overall, screening mammograms do not find about 1 in 5 breast cancers. False-positive rate = about 50% About half of the women getting annual … Continue reading

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Mammography and Clinical Breast Examination – False Positive and Negative Rates

A false-negative mammogram looks normal even though breast cancer is present. A false-positive mammogram looks abnormal but no cancer is actually present. A false positive mammogram can lead to additional testing and even biopsy and anxiety. A  false-negative mammogram can … Continue reading

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ROJoson’s TPORs on Ultrasound and Mammography

ROJoson’s TPORs on Breast Imaging Procedures (Ultrasound and Mammography) Question: Which one is better? A question often asked by lay people. From July 2012 to March 2013, I was able to collect on a consecutive basis (as patients came to … Continue reading

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