Espectro clínico de la enfermedad relacionada con IgG4 en 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 related disease was confirmed. Despite this disease not being common, it should be considered among the options whenever multiple organs are affected. This report of patients with IgG4- related disease in Colombia highlights a wide spectrum of clinical presentations, including subglottic stenosis, autoimmune pancreatitis, retroperitoneal fibrosis, and systemic compromise.