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Diagnostic vs. screening mammograms?

Page last modified on: October 20, 2008
Question from taylor: How is a diagnostic mammogram different from a routine or screening mammogram?
Answer —Cecilia Brennecke, M.D.: A routine or screening mammogram consists of four views—two views of each breast. The technologist takes the pictures, checks them for quality, and then you leave. With a diagnostic mammogram, you start with four standard views, and then supplement them with additional views, a physical exam, and ultrasound and MRI as needed. So a diagnostic mammogram is for women who are having a problem such as a lump or unusual nipple discharge or pain.

A diagnostic mammogram is generally read by the radiologist right after it has been done; ideally the woman does not leave the radiology facility until she has an answer about what is causing her breast problem. Usually the outcome is that everything is fine, but there is a higher incidence of finding cancer in that situation than in a screening situation.

On Wednesday, July 16, 2003, our Ask-the-Expert Online Conference was called Breast Cancer Screening. Cecilia M. Brennecke, M.D. and Marisa Weiss, M.D. answered your questions about mammograms, ultrasound, MRI, breast self-exams, physical exams by a doctor, and other topics related to breast cancer screening.

The materials presented in these conferences do not necessarily reflect the views of breastcancer.org. A qualified healthcare professional should be consulted before using any therapeutic product or regimen discussed. All readers should verify all information and data before employing any therapies described here.

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Meet the Experts

Cecilia M. Brennecke, M.D.Cecilia M. Brennecke, M.D. is a radiologist and medical director at Johns Hopkins at Greenspring in Baltimore, Maryland. As a breast imaging specialist, she interprets mammography, performs ultrasound and breast MRI, conducts clinical breast exams, and performs the newest image-guided biopsy procedures.

Marisa Weiss, M.D. is a radiation oncologist specializing in breast cancer and the founder, president, and guiding force behind Breastcancer.org.

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