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Abstract #2926

Computer-Aided Detection (CAD) for Breast MRI at 3.0T: A Comparison Between Four Observers with Different Levels of Experience.

carla meeuwis1, S M. van de Ven2, G Stapper3, A M. Fernandez Gallardo3, M A. van den Bosch3, 3, W P. Mali3, W B. Veldhuis3

1Radiology, Rijnstate Hospital, Arnhem, Netherlands; 2Radiological Sciences Laboratory Stanford, Lucas MRS Imaging Center; 3Department of Radiology, University Medical Center Utrecht

MRI of the breast is a promising diagnostic modality with a high sensitivity. The main drawback is its relatively low specificity. Computer-aided detection systems have been developed that automate processing and kinetic analysis. This study was performed to compare the accuracy of 3.0T breast MRI interpretation, between manual- and fully automated-kinetic analysis in 71 lesions for four observers with different levels of experience in reading breast MRI. Our study shows that CAD system significantly improved the specificity of interpretation compared with manual analysis of enhancement kinetics. Additionally there was no significant difference in diagnostic accuracy using CAD between the observers.