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Refractory multicentric reticulohistiocytosis treated by infliximab: two cases
J Sellam1, C Job Deslandre, F Dubreuil
1René Descartes University, Rheumatology A Department, Cochin Hospital, AP-HP, Paris, France.
Abstract:
We report the effect of infliximab, a monoclonal anti-TNFalpha antibody, in two patients with refractory cutaneous and articular multicentric reticulohistiocytosis (MRH). One 37-year-old woman and one 53-year-old woman with polyarthritis, facial rash and nodular lesions on the hands related to MRH were refractory to multiple agents: cariolysine, corticosteroids, hydroxychloroquine and cytotoxic agents. Infliximab at 3 mg/kg which was then increased to 5 mg/kg in combination with methotrexate or azathioprine was effective on cutaneous manifestations of the disease but not on polyarthritis. A switch to etanercept did not improve polyarthritis in the second patient. Some data suggest that TNFalpha is involved in MRH, but based on our cases anti-TNFalpha therapy needs further evaluation in patients with refractory MRH.
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