Abstract:This article describes the case of a 19-year-old woman who presented with prolonged fever, positive antinuclear antibodies (ANA) and splenomegaly. Pulmonary infiltrates were discovered and the patient was treated for community-acquired pneumonia, with no clinical amelioration. A more thorough evaluation was subsequently made, revealing elevated serum IgE and IgG4 levels and negative ANA tested by the hospital’s laboratory with two methods. During hospitalization thrombocytopenia, liver function test impairment… Show more
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