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Year : 2017  |  Volume : 12  |  Issue : 6  |  Page : 189-193

Fibroblastic rheumatism

Department of Immunology and Rheumatology, IMS and SUM Hospital, Bhubaneswar, Odisha, India

Correspondence Address:
Jyoti Ranjan Parida
Department of Immunology and Rheumatology, IMS and SUM Hospital, Bhubaneswar, Odisha
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0973-3698.219082

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Fibroblastic rheumatism (FR) is a rare dermoarthopathy reported from different parts of the world since 1980. Although the exact cause is unknown, few reports implicate infection may be a triggering event. Patients usually present with multiple skin nodules and polyarthropathy with progressive skin contractures. Laboratory parameters including acute phase reactants are usually normal. The confirmatory diagnosis is based on histopathologic study of skin nodules, which demonstrate fibroblastic proliferation, thickened collagen fibers, dermal fibrosis, and decreased number of elastic fibers. Immunoreactivity for b-catenin, smooth muscle actin, and the monoclonal antibody HHF35 show myofibroblastic differentiation. Treatments with oral prednisolone and other disease-modifying drugs such as methotrexate, infliximab, and interferon have been tried with variable success. In general, skin lesions respond more aptly than joint symptoms indicating that skin fibroblast is more amenable to treatment than synovial fibroblasts. Awareness regarding this orphan disease among clinicians and pathologists will help in more reporting of such cases and finding out optimal treatment regimen.

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