Diagnosis of bile duct hepatocellular carcinoma thrombus without obvious intrahepatic mass

Table 1 Blood test

Patient No./sex/age (yr)	TBIL (μmol/L)	DBIL (μmol/L)	ALT (U/L)	HBsAg	AFP (ng/mL)	CA19-9 (U/mL)	CEA (μg/L)
1/M/48	364.4	145.7	99.4	Positive	159	123.1	2.82
2/F/64	265.1	110.2	190.9	Positive	12.4	> 575	3.24
3/M/47	268.6	146.4	127.4	Positive	263	465.7	7.10
4/M/51	277.3	156.1	137.2	Positive1	> 1210	Unknown	Unknown
5/M/53	373.9	153.6	133.8	Positive	Negative	183.1	1.52
6/M/55	344.2	199.3	204.0	Positive	10.7	164.9	3.90

Normal value is less than 8.1 ng/mL for α-fetoprotein (AFP), less than 37 U/mL for carbohydrate antigen 19-9 (CA19-9), and less than 5 μg/L for carcinoembryonic antigen (CEA), respectively.

¹Also positive for hepatitis E virus-IgG. HBsAg: Hepatitis B surface antigen; DBIL: Direct bilirubin; ALT: Alanine aminotransferase; TBIL: Total serum bilirubin.