Clinical spectrum of IgG4-related disease in Colombia

IgG4-related disease is an inflammatory systemic condition noted by the infiltration of different organs by IgG4-bearing plasma cells, as well as elevated serum IgG4 levels. Diagnosis of this condition is complex, and clinical findings are not particularly indicative. In this case series, a description is presented on 4 patients with a wide spectrum of clinical manifestations, in whom, after ruling out different options, a diagnosis of IgG4...