Table 1.

Clinicopathological Summary of Patients with Gallbladder Carcinoma and HCG

No	Age/sex	Cholelithiasis	Macroscopic type	Microscopic type	Immunostains	s/u HCG	Ref. No
1	63/F	+	Non-specific	AC + Choriocarcinoma	HCG (-)	ND	1
2	29/F	+	Protruded	AC + Choriocarcinoma	HCG (+), AFP (-), CEA (-)	Elevated	2
3	48/F	-	Protruded	AC + Choriocarcinoma	HCG (+)	Elevated	3
4	83/F	-	Protruded	ASC	HCG (+), AFP(-), CEA (+)	Elevated	4
5	68/F	-	Infiltrating	UC, pleomorphic type	HCG (+), VIM (+), CEA (+)	ND	5
6	65/F	+	Protruded	UC, pleomorphic type	HCG (+), Som (+), CEA (+)	ND	5
7	68/F	+	Protruded	UC, pleomorphic type	HCG (+), PP (+), Som (+), Gas (+), CEA (+)	ND	5
8	68/F	-	Infiltrating	UC, pleomorphic type	HCG (+), Gas (+), CEA (+)	ND	5
9	69/M	-	Protruded	UC, spindle cell or ps	HCG (+), Vim (+), Gas (+), CEA (+)	ND	5
10	61/M	-	Protruded	UC, spindle cell or ps	HCG (+), Vim (+), Som (+), Gas (+), CEA (+)	ND	5
11	66/M	-	Protruded	UC, spindle cell or ps	HCG (+), Vim (+), PP (+), CEA (+)	ND	5
12	61/F	+	Protruded	UC, spindle cell or ps	HCG (+), Vim (+), PP (+), Ser(+), Som (+), Gas (+), CEA (+)	ND	5
13	62/F	+	Infiltrating	UC, spindle cell or ps	HCG (+), Vim(+), Ser(+), Som(+), Gas (+), CEA (+)	ND	5
14	41/F	ND	ND	ETT	HCG (+), PlAP (+)	Elevated	6
15	79/M	-	Protruded	AC	HCG (+), PlAP (+)	NM	*

s/u:serum and/or urinary; HCG:human chorionic gonadotropin; AC:adenocarcinoma; ND:not described; AFP:alfa-fetoprotein; CEA:carcinoembryonic antigen; ASC:adenosquamous cell carcinoma; UC:undifferentiated carcinoma; Vim:vimentin; Som:somatostatin; PP:pancreatic polypeptide; Gas:gastrin; ps:pseudosarcomatous; Ser:serotonin; ETT: extrauterine trophoblastic tumor; PlAP:placental alkaline phosphatase; NM:not measured; *:our case.