Abstract
IgG4-related disease (IgG4-RD) it is a clinicopathological entity recently described, with a broad spectrum of clinical manifestations that share a common histopathology. Arriving to diagnosis is difficult, requiring clinical, laboratory and histopathology complementary findings. Usually a good response is observed after treatment with steroids; however there are a few case reports of successful therapy with immunosupressors and B cell depletory drugs. This case report allows depicting the diagnosis challenge that this entitiy often entails.
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