Diagnostic performance of ADC value in histopathological grading of mass-forming cholangiocarcinoma

Egyptian Journal of Radiology and Nuclear Medicine

Table 3 The cutoff values of different mass-forming CC grades and its specificity and sensitivity

	Cutoff	Sensitivity	Specificity	PPV	NPV
Poor differentiated CC
ADC value	≤ 1.15	94.44	65.38	65.4	94.4
Well-differentiated CC
ADC value	> 1.15	70.83	95.0	94.4	73.1

Bold indicates cutoff value
CC, cholangiocarcinoma; ADC, apparent diffusion coefficient; PPV, positive predictive value; NPV, negative predictive value