Liver metastasis from hepatoid adenocarcinoma of the stomach mimicking hepatocellular carcinoma: Dynamic computed tomography findings

Table 2 Computed tomography features of liver metastases from hepatoid adenocarcinoma of the stomach

Case No.	Tumor location	Tumor number(largest size, cm)	Necrosis	Hemorrhage	Venous tumor thrombus	Dynamic enhancing pattern
1	Lateral segment	Single (9.7)	Yes	No	Left portal vein	Arterial hyperattenuation
					Left hepatic vein	Late phase washout
					Inferior vena cava
2	Bilateral lobes	Multiple (8.7)	Yes	Yes	Right portal vein	Arterial hyperattenuation
					Left hepatic vein	Late phase washout
					Inferior vena cava
3	Segment 7	Single (2.1)	Yes	No	Right portal vein	NA
4	Right lobe	Multiple (2.8)	Yes	No	Right portal vein	Arterial hyperattenuation
					Left portal vein1	Late phase washout
5	Segment 4	Single (7.2)	Yes	No	nil	Arterial hyperattenuation
						Late phase washout
6	Right lobe	Multiple (9.8)	Yes	Yes	Right portal vein	Arterial hyperattenuation
					Left portal vein1	Late phase washout
					Gastroepiploitc vein2
7	Bilateral lobes	Multiple (7.5)	Yes	Yes	Right portal vein	Arterial hyperattenuation
					Left hepatic vein	Late phase washout
8	Bilateral lobes	Multiple (8.1)	Yes	Yes	Left portal vein	NA

¹Isolated portal vein tumor thrombosis;

²By direct invasion of primary hepatoid adenocarcinoma of the stomach. NA: Not available.