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Table 3 Diagnostic performance of DBT in characterization of breast masses according to shape, margins and density

From: Three-dimensional tomosynthesis versus two-dimensional mammography in detection and characterization of different breast lesions

Mass on DBT Pathology Total Sensitivity Specificity PPV NPV Accuracy AUC
Shape Benign Malignant
Irregular 3 (FP) 9 (TP) 12 (44.4%) 90% 82.4% 75% 93.3% 85.2% 0.862
Regular 14 (TN) 1 (FN) 15 (55.6%)
Margins          
Speculated 2 (FP) 10 (TP) 12 (44.4%) 100% 88.2% 83.3% 100% 92.6% 0.941
Well defined 15 (TN) 0(FN) 15 (55.6%)
Density          
Isodense 7(TN) 0(FN) 7 (25.9%) 100% 52.9% 55.6% 100% 70.4% 0.765
Fat density 2(TN) 0(FN) 2 (7.4%)
Hyper-dense 8 (FP) 10 (TP) 18 (66.7%)
Total 17
(63%)
10
(37%)
27