Added value of hepatobiliary phase gadoxetic acid-enhanced MRI for diagnosing hepatocellular carcinoma in high-risk patients

Table 5 Sensitivity, specificity, and positive and negative predictive values for diagnosing hepatocellular carcinoma based on magnetic resonance imaging findings after excluding cysts and hemangiomas (n = 89)

MRI findings	Sensitivity (%)	Specificity (%)	Positive predictive value (%)	Negative predictive value (%)
Fat metamorphosis	16.9 (8.4-29.0)	93.3 (77.9-99.2)	83.3 (51.6-97.9)	36.4 (25.7-48.1)
Hyperintensity on T2-weighted images	66.1 (52.6-77.9)	93.3 (77.9-99.2)	95.1 (83.5-99.4)	58.3 (43.2-72.4)
Arterial enhancement	88.1 (77.1-95.1)	70.0 (50.6-85.3)	85.2 (73.8-93.0)	75.0 (55.1-89.3)
Arterial enhancement and washout on venous or equilibrium phase	79.7 (67.2-89.0)	96.7 (82.8-99.9)	97.9 (88.9-99.9)	70.7 (54.5-83.9)
Hypointensity on 20-min hepatobiliary phase	93.2 (83.5-98.1)	53.3 (34.3-71.7)	79.7 (68.3-88.4)	80.0 (56.3-94.3)
Arterial enhancement and no/partial uptake on 20-min hepatobiliary phase	83.1 (71.0-91.6)	93.3 (77.9-99.2)	96.1 (86.5-99.5)	73.7 (56.9-86.6)

MRI: Magnetic resonance imaging.