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Egyptian Journal of Radiology and Nuclear Medicine

Table 4 Diagnostic performance of DCE, DWI, ADC, normalized ADC liver and normalized ADC spleen

From: Role of DWI in evaluation of HCC after radiofrequency ablation compared to dynamic MRI using MRI (3 T)

  DCE DWI ADCa nADC liverb nADC spleenc
Viable 15 15 12 13 14
Non-viable 25 25 28 28 26
TP 15 12 12 11 12
TN 25 22 25 24 23
FP 0 3 0 1 2
FN 0 3 3 4 3
Sensitivity 100% 80% 80% 73.3% 80%
Specificity 100% 88% 100% 96% 92%
PPV 100% 80% 100% 91.7% 85.7%
NPV 100% 88% 89.3% 85.7% 88.5%
Accuracy 100% 85% 97.1% 92.8% 91.9%
  1. nADC normalized ADC, TP true positive, TN true negative, FP false positive, FN false negative
  2. aADC cutoff value less than (1.01 × 10−3 mm2/s)
  3. bnormalized ADC liver cutoff value less than (0.81)
  4. cnormalized ADC spleen cutoff value less than (1.22)
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