Igg4-Related Disease, also known as immunoglobulin g4-related sclerosing disease, is related to sialadenitis and aortitis. An important gene associated with Igg4-Related Disease is CRP (C-Reactive Protein), and among its related pathways/superpathways are Innate Immune System and MIF Mediated Glucocorticoid Regulation. The drugs Betamethasone and Prednisolone have been mentioned in the context of this disorder. Affiliated tissues include salivary gland and bone, and related phenotypes are cellular and immune system