José Kennedy Amaral1, Robert T Schoen2. 1. Faculty of Medicine Estacio of Juazeiro de Norte, Juazeiro de Norte, Brazil. 2. Section of Rheumatology, Yale University School of Medicine, New Haven, CT, USA. robert.schoen@yale.edu.
Abstract
INTRODUCTION: Chronic chikungunya (CHIK) arthritis, an inflammatory arthritis, often follows acute CHIK fever (CHIKF), a viral infection. The pathogenesis of chronic CHIK arthritis is poorly characterized, but may resemble other forms of inflammatory arthritis. Clinically, chronic CHIK arthritis sometimes mimics rheumatoid arthritis (RA). CASE REPORT: We report a patient with well-characterized CHIKF followed 2 months later by chronic CHIK arthritis not only resembling RA clinically, but also associated with RA biomarkers and extra-articular features, including Felty's syndrome (FS). CONCLUSIONS: We describe this patient's excellent response to methotrexate and discuss the implications her case provides in understanding this important emerging rheumatic disease.
INTRODUCTION:Chronic chikungunya (CHIK) arthritis, an inflammatory arthritis, often follows acute CHIK fever (CHIKF), a viral infection. The pathogenesis of chronic CHIK arthritis is poorly characterized, but may resemble other forms of inflammatory arthritis. Clinically, chronic CHIK arthritis sometimes mimics rheumatoid arthritis (RA). CASE REPORT: We report a patient with well-characterized CHIKF followed 2 months later by chronic CHIK arthritis not only resembling RA clinically, but also associated with RA biomarkers and extra-articular features, including Felty's syndrome (FS). CONCLUSIONS: We describe this patient's excellent response to methotrexate and discuss the implications her case provides in understanding this important emerging rheumatic disease.
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