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Table 5 Diagnostic performance of DWI in assessment of degree of muscle invasion of urinary bladder carcinoma

From: Accuracy of diffusion-weighted magnetic resonance imaging in evaluation of muscle invasion and histologic grading of the urinary bladder carcinoma

DWIs findingsFinal diagnosis
Non-invasive n = 20Invasive n = 35
Non-invasive16 (TN)0 (FN)
Invasive4 (FP)35 (TP)
Sensitivity100%
Specificity80%
PPV90%
NPV100%
Accuracy93%