Rapid Communication
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 28, 2006; 12(40): 6551-6555
Published online Oct 28, 2006. doi: 10.3748/wjg.v12.i40.6551
Table 2 Etiology and site of biliary obstruction in common bile duct
Etiology of biliary obstructionSite of biliary obstructionGroup In = 123(%)Group IIn = 52(%)
Benign causes (n = 138)
Common bile duct stoneLower104 (84.5)18 (34.6)a
Chronic pancreatitisLower2 (1.6)0
Post operative biliary strictureUpper7 (5.7)0
Hydatid cyst rupture with fistulaUpper4 (3.2)0
Rupture liver abscess with fistulaUpper3 (2.4)0
Malignant causes (n = 37)
Gallbladder carcinomaUpper2 (1.6)14 (27)a
CholangiocacinomaUpper + middle05 (9.6)a
Periampullary carcinomaLower1 (0.8)15 (28.8)a