ISSN 2147-9720 | E-ISSN 2148-4279
Case Report
Acute digital ischemia: A rare presentation of antisynthetase syndrome
1 Department of Medicine, Fudan University Shanghai Medical College, Shanghai, China  
2 Division of Hospital Internal Medicine, Department of Internal Medicine, Mayo Clinic College of Medicine and Science, Minnesota, USA  
3 Division of Rheumatology, Department of Internal Medicine, Mayo Clinic College of Medicine and Science, Minnesota, USA  
Eur J Rheumatol 2017; 4: 63-65
DOI: 10.5152/eurjrheum.2017.16077
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Key Words: Antisynthetase syndrome, angiogram, ischemia, threonine-trna ligase/immunology
Abstract

Antisynthetase syndrome (ASS) is recognized as a subgroup of idiopathic inflammatory myopathies (IIMs). It is associated with autoantibodies directed against aminoacyl-transfer ribonucleic acid (tRNA) synthetase enzymes. We report the first case of anti-PL-7/anti-SSA 52kD ASS presenting as acute digital ischemia, an association not described previously. Occlusive vasculopathy is a rare but serious manifestation that can be seen at presentation in patients with ASS and may herald the onset of severe interstitial lung disease (ILD). Comprehensive evaluation should be performed to confirm the presence of subclinical myositis. Extensive myositis-specific antibody testing is strongly recommended even if initial screening autoimmune serologies are unrevealing.

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