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Computers Increase Detection Rate Of Breast Cancer

September 26th, 2005 Medgadget Editors News

New study published in the October 2005 issue of the American Journal of Roentgenology shows an increased detection rate of breast cancer, for those at a younger age at diagnosis, and at a significantly earlier stage of invasive cancer detection, using Computer-Aided detection in a regional screening mammography.
The study included 27,274 screening mammograms done over a three year period—19,402 were done using a computer-aided mammography detection system (CAD); 7,872 were mammography studies done before the CAD system was installed, said Tommy E. Cupples, MD of ImageCare, LLC in Columbia, SC, and the lead author of the study. The study was conducted at the South Carolina Comprehensive Breast Center.

“Overall, we saw a 16% increase in the cancer detection rate,” said Dr. Cupples, but the increased detection rate doesn’t tell the whole story, he said. “The more important question is do we find more cancers earlier, when they are smaller and most curable.” CAD increased the detection rate of small invasive cancers (those 1 cm or less) by 164%, said Dr. Cupples. “Invasive, lump forming cancers are more likely to be lethal if they aren’t detected early, especially in younger women,” he said. “The average ages of mammography screening detected cancers in the CAD group was more than five years younger than in the pre-CAD group,” Dr. Cupples said.

In the study, the radiologists reviewed each mammogram and then activated the CAD system. The CAD system “marked” areas on the mammogram that were suspicious for cancer, then the radiologists would again review the mammogram.

“The CAD system we used was particularly useful for finding small masses,” said Dr. Cupples. “Small masses are difficult for radiologists to detect, especially in younger women with denser breast tissue. The CAD system is an excellent addition to the radiologist’s expertise,” he said.

Read the abstract of this study…

Medgadget Editors

Medical technologies transform the world! Join us and see the progress in real time. At Medgadget, we report the latest technology news, interview leaders in the field, and file dispatches from medical events around the world since 2004.

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