Table 2

Spectrum of the different causes of bile duct stenosis in 294 patients with a final diagnosis

EtiologyNo. of patients
Malignant stenosis220
 Pancreatic carcinoma96
 Bile duct carcinoma73
 Gall bladder carcinoma7
 Ampullary carcinoma8
 Lymph node metastasis10
Benign stenosis74
  Chronic pancreatitis26
 Mirizzi syndromea1
 Primary sclerosing cholangitis26
  • a Gallstone in the gallbladder causing extrahepatic bile duct obstruction by external compression.

  • b Postcholecystectomy or postpapillotomy.