Prediction of Microvascular Invasion in Hepatocellular Carcinoma: Preoperative Gd-EOB-DTPA-Dynamic Enhanced MRI and Histopathological Correlation

Table 3

Radiologic features of 66 HCCs and agreement between observers.

Parameters	Observer 1	Observer 2	Agreement test (kappa value)
All HCCs (66 lesions)
Maximum tumor diameter (mm)	53 (17–162)	53 (15–162)
Signal homogeneity			0.683
Homogenous	27 (0.41)	25 (0.38)
Heterogeneous	39 (0.59)	41 (0.62)
Tumor capsule			0.454
Completely surrounded	22 (0.33)	19 (0.29)
Not completely surrounded	28 (0.42)	34 (0.51)
None	16 (0.24)	13 (0.20)
Tumor margin			0.513
Smooth margin	13 (0.20)	11 (0.17)
Focal protruding	21 (0.32)	11 (0.17)
Multiple protruding	28 (0.42)	40 (0.61)
Fuzzy margin	4 (0.06)	4 (0.06)
Peritumor enhancement			0.822
No	45 (0.68)	45 (0.68)
Yes	21 (0.32)	21 (0.32)
Peritumor hypointensity			0.782
No	37 (0.56)	40 (0.61)
Yes	29 (0.44)	26 (0.39)