Percutaneous Transhepatic Cholangiosgraphy in Diagnostics of Tumor of Pancreatoduodenal Zone
105 malignant etiology obstructive jaundice patients were inspected and operated on. The biliary block level was determined wile fine needle cholangiography in 57% and in all patients after drainage procedures. Comparison of radiological conclusions of the two independent researchers maintained by means of blind method, has shown, that the diagnostic opportunities of a method in cases of different diseases vary over a wide range. The special difficulties occur wile differentiation by cholangiogramms in chronic pancreatitis and pancreatoduodenal tumor patients.