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
 Lymphoma1
 Unspecified25
Benign stenosis74
 Inflammatory
  Chronic pancreatitis26
  Cholelithiasis3
 Mirizzi syndromea1
 Primary sclerosing cholangitis26
 Postsurgicalb13
 Unspecified5
  • a Gallstone in the gallbladder causing extrahepatic bile duct obstruction by external compression.

  • b Postcholecystectomy or postpapillotomy.