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Antisynthetase Syndrome and Autoantibodies: A Literature Review and Report of 4 Cases

Flávia Luiza Marin, Henrique Pereira Sampaio

(Postgraduate Program in Pathophysiology in Medical Clinic, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil)

Am J Case Rep 2019; 20:1094-1103

DOI: 10.12659/AJCR.916178


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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