J Korean Radiol Soc.  1985 Aug;21(4):629-638. 10.3348/jkrs.1985.21.4.629.

Ultrasonographic finding of tumor induced bile duct obstruction

• Yoon YA
• Koh BH
• Lee MJ
• Cho OK
• Hahm CK

• KMID: 2462441
• DOI: http://doi.org/10.3348/jkrs.1985.21.4.629

Abstract

In the diagnosis of tumor induced bile duct obstruction, ultrasonography is widely used procedure for evaluation of the biliary obstruction, because ultrasonography is non-ionizing, generally less expensive, and often more readily avilable. We analyzed 103 cases of confirmed extrahepatic bile duct obstruction by the tumor.The results were as follows; 1. Causes of tumor induced biliary obstructions were pancreas head carcinoma in 33cases, bile duct carcioma in 29 cases, gallbladder carcinoma in 16 cases, metastasis in 12 cases, hepatoma in 7 cases and ampulla ov Vater carcinoma in 6 cases respectively. 2. In the bile duct carcinoma, gallbladdercarcinoma, hepatoma and metastasis, the obstructions of bile dute were frequently observed in the porta hepatisand common hepatic duct, pancreas head carcinoma in common bile duct, ampulla Vater carcinoma in ampullartyportion. 3. The degree of dilatation of bile duct was more severe in distal obstruction. 4. Sonographic demonstration of obstructed end were possible in 83 cases(80.5%). 5. The focal tumor masses were demonstratedsonographically in 68 cases(66.0%). In the gallblader and pancreas head carcinoma the tumor masses were large andfrequently observed sonographically. 6. The accuracy of sonography in the diagnosis the level of obstruction was69.9%. The overall accuracy for specific diagnosis was 66.9%.

MeSH Terms

Bile Ducts*
Bile Ducts, Extrahepatic
Bile*
Carcinoma, Hepatocellular
Cholestasis*
Common Bile Duct
Diagnosis
Dilatation
Gallbladder
Head
Hepatic Duct, Common
Neoplasm Metastasis
Pancreas
Pheniramine
Ultrasonography
Pheniramine