PMID: 29766732May 17, 2018Paper

Remission of the disease associated/related with immunoglobulin IgG4 accompanied by multiple lymphadenopathy after treatment with rituximab and dexamethasone: a case report

Vnitr̆ní lékar̆ství
Zdeněk AdamJiří Mayer

Abstract

A disease associated with immunoglobulin IgG4 is a rare unit with very variable symptoms. We describe the course and treatment of the disease in a patient who presented with multiple lymphadenopathy and infiltrates in the area of the retroperitoneum and pelvis and signs of chronic sclerosing pancreatitis. The disease was clinically manifested by a significant loss of weight, but also by a loss of perception of taste and smell. The diagnosis was made based on a high amount of IgG4 expressing plasma cells in the sampled tissue and an increased concentration of immunoglobulins of type IgG and mainly subclass IG4. Rituximab in 475 mg/m2 dose was used in the treatment, the initial four doses of rituximab were administered at 14-day intervals, always with a one-off administration of a 40 mg dose of dexamethasone. According to FDG-PET/CT, only partial remission of the disease was reached after 4 applications of rituximab and dexamethasone. The patient recovered its sense of smell and taste. In another 4 cycles ritu-ximab was administered on day 1 of a 28-day cycle. On days 1 and 15 of the cycle dexamethasone at 40 mg and cyclophosphamide at 600 mg were administered by intravenous infusion. After the completion of 8 cycles of treatment...Continue Reading

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