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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

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