liver and gallbladder disorders
IgG4 Related Sclerosing Cholangitis
Diagnosis of IgG4 SC
Cholangiogram Antibody tests (IgG4) Histology tests Doctors suspect people who have both Overview of Pancreatitis and cholangiopathy (damage to the bile ducts) of having IgG-SC. Diagnosis of IgG4-SC requires an abnormal cholangiogram (an imaging study of the biliary tract), elevated IgG4 levels in blood (found in most, but not all people with the disorder), and a characteristic appearance of cells when tissue is examined using a microscope (biopsy). 