Polyclonal hypergammaglobulinemia, infiltration of the salivary glands, lymphadenopathy, and kidney damage - Mikulicz's disease, Sjögren's syndrome, or Castleman's disease? Case report and overview of differential diagnosis and treatment
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Background: Polyclonal hypergammaglobulinemia has a variety of causes, which we outline in the text. Regularly, very high concentrations of polyclonal immunoglobulins are observed in IgG4-related disease, Sjögren's syndrome, an... ...