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ECR 2013 / C-2451
Evaluation of Palpation Imaging in Breast Lesion Diagnosis
Congress: ECR 2013
Poster No.: C-2451
Type: Scientific Exhibit
Keywords: Breast, Abdomen, Gastrointestinal tract, CAD, MR, Mammography, Biopsy, Cost-effectiveness, Cancer, Neoplasia, Metastases
Authors: Y. Song1, C. Zhou2, J. Li2; 1Beijng/CN, 2Beijing/CN


The area under the receiver operating characteristics curve(AUC) characterizing benign and malignant lesion discrimination was 0.884 (95%CI: 0.8360.932, P<0.001) for PI(see Fig.1). The sensitivity of PI was 82.4%, which was significantly higher than that of physical examination (48%, P=0.000) but lower than that of either mammography (93.6%, P=0.003) or ultrasound (95.5%, P=0.000). The specificity of PI (80.0%) was significantly better than that of mammography (55.7%, P=0.002) and ultrasound (62.3%, P=0.023), and similar to that of physical examination (91.4%, P=0.096) (see Table 1 and Table 2). For patients with different breast composition on mammography, PI had similar sensitivity (87.3% for <50% glandular,77.4% for >50% glandular,P=0.166) and specificity ( 85.7% for <50% glandular,79.4% for >50% glandular,P=1.000).

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