A clinicopathological analysis in unsuspected gallbladder carcinoma: A report of 23 cases

Table 3 Pathological characteristics of 23 UGC cases

Indications	UGC	PDGC
Primary location of gallbladder carcinoma (n)	(with record 16 cases)	(with record 21 cases)
Cystic duct	1	1
Neck of gallbladder	8	3a
Body of gallbladder	5	6
Bottom of gallbladder	0	6b
Boundary between neck and body of gallbladder	2	0
Body and bottom of gallbladder	0	5c
Nevin staging
I	6	2d
II	5	1e
III	7	8
IV	2	6
V	3	16f
Cancerometastasis status (n)
Gallbladder lymph node	1	0
Portal lymph node	0	1
Common bile duct lymph node	1	4
Latero-hepatic artery lymph nod	0	1
Nerve boundle in gallbladder wall	0	2
Extrahepatic bile duct	0	2
Liver	3	11
Diaphragmatic muscle	0	1
Peritoneum	0	1
Omentum	0	1
Pathohistological diagnosis
Histological type (n)
Adenocarcinoma	20	27
Adenoma canceration	2	2
Squamous carcinoma	1	2
Undifferentiated carcinoma	0	2
Grade (n)
Well differentiated	14	11g
Moderately differentiated	3	4
Poorly differentiated	6	18h

^aP = 0.020, vs UGC;

^bP = 0.023, vs UGC;

^cP = 0.047, vs UGC;

^dP < 0.05 (χ² = 4.44, vs UGC);

^eP < 0.05 (χ² = 4.96, vs UGC);

^fP < 0.01 (χ² = 7.59, vs UGC);

^gP < 0.05 (χ² = 4.16, vs UGC);

^hP < 0.05 (χ² = 4.48, vs UGC).