Table 3.
Preoperative imaging features of 6 cases with hepatic carcinosarcoma
Case NO. | Imaging protocol | Site (segment) | Shape | Margin | Density/intensity | Calcification | Hemorrhage | Cystic/necrotic change | Capsule | Heterogeneity | Enhancement | Imaging diagnosis |
1 | CT | 2,3,4 | Multilobular | Clear | Hypo | – | + | + | – | Heterogeneous, | Hyper | HCC |
2 | CT | 4 | Multilobular | Unclear | Hypo | + | – | + | – | Heterogeneous | Hyper | HCC |
3 | CT | 5 | Bulky | Unclear | Hypo | – | – | + | – | Heterogeneous | Hyper | HCC |
4 | MRI | 2,3 | Multilobular | Clear | Hypo-T1WI Hyper-T2WI |
– | + | + | – | Heterogeneous | Hyper | CCC |
5 | CT | 5,6 | Multilobular | Unclear | Hypo | – | – | + | – | Heterogeneous | Hypo | HCC |
6 | CT | 6,7,8 | Bulky | Unclear | Hypo | – | + | + | – | Heterogeneous | Hypo | HCC |
Case NO. | Vascular invasion | Nodule enlargement | Invasion into adjacent organs | Bile duct dilation | Bile duct thrombi | Fluids | ||||||
1 | – | – | – | – | – | – | ||||||
2 | – | + | – | + | – | – | ||||||
3 | – | + | +/ Gastric wall and gall bladder | – | – | – | ||||||
4 | – | – | – | + | – | + | ||||||
5 | – | – | – | – | – | – | ||||||
6 | + | + | +/ Right adrenal gland | – | – | + |
Abbreviation: “+” yes/present/positive, “-” no/absent/negative, AP arterial phase, PP portal venous phase, HCC hepatocellular carcinoma, CCC cholangiocellular carcinoma, Hypo hypodense/hypointense/hypovascular, Hyper hyperdense/hyperintense/hypervascular