The Evaluation of a Computer-Aided Diagnostic System in Mammography

DOI 2 Citations 11 References

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  • マンモグラフィにおけるコンピュータ診断支援システムの性能評価

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Abstract

We evaluated the clinical diagnostic value of a computer-aided diagnosis (CAD) system being developed at Gifu University. We compared the diagnoses of breast surgeons in 202 patients who had attended the Aichi Cancer Center Hospital with the analyses of their mammograms by our computer system. We found that the percentage of true-positive results was over 80%for the computer system, but that there was more than one false-positive finding per image. When we consider both detections in each case (not in each film), the percentages of true positive findings were about 95%. However, if our system is to be used clinically it will be necessary to improve the software to reduce the number of false positives. Moreover, with this system, radiological technologists will need to optimise their skills in imaging and be careful in managing image quality, because the detection rate is affected by patient positioning and the image quality of the mammogram.

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