A rare case of Rosai-Dorfman disease mimicking a malignant lymphoproliferative process and IgG4-related disease
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Rosai-Dorfman disease (RDD), or sinus histiocytosis with massive lymphadenopathy, is a rare histiocytic disorder that often mimics malignancies and immune-mediated conditions such as IgG4-related disease (IgG4-RD). We report a 73-year-old male with a 2-year hi... ...
