The diagnosis of rheumatic diseases requires the exclusion of other systemic disorders. Infection, hematologic conditions, malignancies and some drugs may all lead to syndromes that closely mimic rheumatic diseases, which may lead to diagnostic delays. Idiopathic multicentric Castleman disease (iMCD) is a heterogeneous group of lymphoproliferative diseases (LPDs) characterized by systemic inflammatory manifestations.1,2 As with…
