Cholestatic hepatitis diagnosis is based on what?

(1) clinical symptoms : jaundice similar hepatitis symptoms lighter to jaundice as the main performance, Few weak and the body of a comprehensive reduction in the signs of liver cell failure. Pruritus, day night light weight changes of the day and night. Rash of flat-type distribution in the palm, where milk or neck, thoracodorsal site. Stool color shallow, and even showed off white, except this time should the liver and obstructive jaundice, the disease continued to jaundice in three weeks. (2) Liver function tests : serum bilirubin concentrations with increased and accounted for 50% of total bilirubin above. Serum bile acid concentrations with higher than normal 10 ~ 20 times or more. Alkaline phosphatase, γ - glutamyl peptide transfer enzyme, cholesterol, 5-nucleotide enzymes were significantly higher, Serum alanine amino transferase moderately higher. (3) B-examination : more significance in the diagnosis of intrahepatic and extrahepatic biliary deposition in the identification of particular value. Cholestatic jaundice or hepatitis hepatitis 2% ~ 8% of the older cases of hepatitis higher the ratio.