IgG4-related disease is a multiorgan ... it is important to first rule out hepatitis C virus infection and medication-induced MASLD, both of which can cause fatty infiltration of the liver.

We present a case of passive anti-HBV antibody transfer following intravenous immunoglobulin (IVIg ... viral screening found hepatitis B serology suggestive of past infection, with positive ...

Recent transfusion of immunoglobulin-containing products. The presence of antibodies without viral antigen or DNA. The presence of IgG anti-HBcAb but lack of IgM anti-HBcAb antibody (in our case ...