Elevated IgG4: Elevations of IgG4 in serum can be a sign of IgG4-related disease (IgG4-RD), a condition of inflammation and fibrosis involving many organs, including the pancreas, bile ducts, lungs, heart, aorta, thyroid, and salivary glands. Symptoms will depend on the organs involved. Talk with your doctor about your symptoms. A rheumatologist can help aid with the diagnosis and treatment of IgG4-RD.
Answered 6/11/2020
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