In Brazilian patients with a variety of known ARDs (N=138; 87 with systemic lupus erythematosus, 45 with systemic sclerosis, 11 with Sjögren syndrome, and 10 with inflammatory myopathy) and healthy ...

January 12, 2011 — Up to 13% of healthy people test positive for antinuclear antibodies (ANA), which are associated with autoimmune disorders such as rheumatoid arthritis, Sjögren's syndrome, or ...

An ANA report has three parts: (1) a positive or negative result; (2) if positive, what the titer is; and (3) the pattern of fluorescence. ANA patterns. Titers and patterns can vary between laboratory ...

Autoimmune rheumatic diseases (ARDs) represent a diverse group of conditions in which the immune system mistakenly targets the body’s own tissues, often affecting the musculoskeletal system and ...