Table 2 Comparison of CT findings between HCC with HBDTT and Hilar CC
Findings | HCC with HBDTT group (n = 58) | Hilar CC group (n = 77) | p | |
|---|---|---|---|---|
Tumor size (mm), mean ± SD | 46.02 ± 27.28 (n = 58) | 19.02 ± 10.55 (n = 62) | <  0.001 | |
Parenchymal lesion with intraductal lesion | 58(100) | 14(18.2) | <  0.001 | |
Intrahepatic bile duct dilation | 58(100) | 74(96.1) | 0.259 (fisher) | |
CT density | ||||
 Precontrast | Hyperattenuation | 1(1.7) | 0 | 0.245 (fisher) |
Isoattenuation | 6(10.3) | 4(5.2) | ||
Hypoattenuation | 51(87.9) | 73(94.8) | ||
 Arterial phase | Hyperattenuation | 47(81.0) | 53(68.8) | 0.111 |
Isoattenuation | 5(8.6) | 17(22.1) | ||
Hypoattenuation | 6(10.3) | 7(9.1) | ||
 Portal venous phase | Hyperattenuation | 8(13.8) | 30(39.0) | <  0.001 |
Isoattenuation | 1(1.7) | 42(54.5) | ||
Hypoattenuation | 49(84.5) | 5(6.5) | ||
Thickened hilar bile duct wall | 5(8.6) | 72(93.5) | <  0.001 | |
Vascular tumor embolus | 26(44.8) | 6(7.8) | < 0.001 | |
Lymph node enlargement | 7(12.1) | 15(19.5) | 0.248 | |
Splenomegaly | 20(34.5) | 2(2.6) | < 0.001 | |
Ascites | 4(6.9) | 0 | 0.068 | |
Esophageal and gastric varices | 2(3.4) | 0 | 0.183 (fisher) | |
Calculus of intrahepatic bile duct | 1(1.7) | 11(14.3) | 0.011 | |