Skip to main content

Table 2 Diagnostic performance of 18 F-FDG PET/CT and ultrasonography in axillary staging

From: Utility of 18F-fluoro-deoxyglucose emission tomography/computed tomography fusion imaging (18F-FDG PET/CT) in combination with ultrasonography for axillary staging in primary breast cancer

18F-FDG uptake TP TN FP FN Sensitivity (%) Specificity (%) PPV (%) NPV (%) Accuracy (%)
Visual assessment 34 118 6 25 57.6 95.2 85 82.5 83.1
SUV cutoff point          
0.8 30 118 6 29 50.8 95.2 83.3 80.3 80.9
1.3 24 122 2 35 40.7 98.4 92.3 77.7 79.8
1.5 21 123 1 38 35.6 99.2 95.5 76.4 78.7
1.8 21 124 0 38 35.6 100 100 76.5 79.2
2 20 124 0 39 33.9 100 100 76.1 78.7
3 16 124 0 43 27.1 100 100 74.3 76.5
AUS 32 123 1 27 54.2 99.2 97 82 84.7
Visual assessment of 18F-FDG uptake Combined with AUS 38 117 7 21 64.4 94.4 84.4 84.8 84.7
  1. AUS, Axillary ultrasonography; TP, True positive; TN, True negative; FP, False positive; FN, False negative; PPV, Positive predictive value; NPV, Negative Predictive value;