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Fig. 5 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 5

From: Detection of recurrent breast carcinoma using unenhanced breast MRI

Fig. 5

ROC curve for the cutoff ADC between recurrent breast carcinoma and benign post-operative changes by observer one and two. A cutoff ADC value of 1 × 10–3 mm2/s for observer one had 80% sensitivity, 90.9% specificity, 66.7% PPV, 95.2% NPV, and 88.9% accuracy in diagnosis of recurrent breast carcinoma. For observer two, a cutoff ADC value of 1.25 × 10–3 mm2/s had sensitivity of 80%, specificity of 88.6%, PPV of 61.5%, NPV of 95.2%, and diagnostic accuracy of 87.03% in differentiating recurrent breast carcinoma from benign post-operative changes

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