IgG4

IgG4 related disease

IgG4-related disease is a rare autoimmune condition where the immune system becomes overactive and mistakenly attacks healthy tissues in the body. It can affect many organs, including the pancreas, salivary glands, bile ducts, kidneys, and lymph nodes. This disease is called “IgG4-related” because it is associated with increased levels of a specific antibody called IgG4. …
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IgG4-related sialadenitis

IgG4-related sialadenitis is a chronic inflammatory condition that affects the salivary glands, which produce saliva in your mouth. It is part of a group of IgG4-related diseases (IgG4-RD). In this condition, the immune system produces too much of an antibody called IgG4, leading to inflammation and swelling of the salivary glands. The inflammation can cause the …
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