Table 3 MRI characteristics of cHCC-CC and ICC
Parameter | cHCC-CC | Cholangiocarcinoma | P-value |
|---|---|---|---|
T1 WI | |||
Hypointense | 23 | 30 | 0.37 |
Heterogeneous | 9 | 5 | 0.136 |
Isointense/not seen | 1 | 3 | 0.375 |
T2 WI | |||
Homogenously intermediate/hyperintense | 23 | 12 | 0.001 |
Peripheral hyperintensity and central hypointensity | 3 | 9 | 0.102 |
Heterogeneous | 7 | 14 | 0.15 |
Isointense/not seen | 0 | 3 | 0.99 |
Intralesional fat | 2 | 0 | 0.124 |
Intralesional hemorrhage | 4 | 1a | 0.119 |
Capsular retractionb | 3/23 (13%) | 13/21 (62%) | < 0.001 |
Cirrhosis on imaging | 23 | 0 | < 0.001 |
Biliary dilatation | 5 | 23 | < 0.001 |
Tumor thrombus | 3 | 0 | 0.058 |