Antisynthetase Syndrome and Autoantibodies: A Literature Review and Report of 4 Cases
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2019-07-25
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Marin, Flávia Luiza [UNESP]
Sampaio, Henrique Pereira [UNESP]
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BACKGROUND With the advent and advancement of autoantibodies, there has been progress in the diagnosis, prognosis, and treatment of rheumatologic diseases. Antisynthetase syndrome (ASS) is a great example of a disease that initially was described as arthritis, myositis, interstitial lung disease, mechanic's hands, Raynaud's phenomenon, and fever in the presence of the anti-JO-1 antibody, but nowadays it presents with a different spectrum related to new antibodies. CASE REPORT We describe 4 patients with antisynthetase syndrome who were diagnosed with antibodies specific for myositis associated with different clinical findings. All patients responded to immunosuppressive therapy, and rituximab was the most used. CONCLUSIONS It is necessary to search for specific autoantibodies related to the syndrome in suspected clinical cases and in other rheumatological diseases refractory to the usual treatment.
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The American journal of case reports, v. 20, p. 1094-1103.