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Table 2 Comparison of mammography, sonography and MR mammography for preoperative prediction of histologically confirmed invasive cancer (n = 185) or benign disease (n = 254)

From: Comparison of written reports of mammography, sonography and magnetic resonance mammography for preoperative evaluation of breast lesions, with special emphasis on magnetic resonance mammography

Diagnostic method

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

Accuracy (%)

Mammography

83.7

68.5

67.8

84.1

77.1

Sonography

89.1

79.1*†

65.7

90.9‡

83.4†

MR mammography

94.6*†

68.5

68.6

94.6†

79.5

  1. * P < 0.005, versus MR mammography; † P < 0.05, versus mammography; ‡ P < 0.05, versus sonography. NPV, negative predictive value; PPV, positive predictive value.