Assay results should be used in conjunction with clinical findings and other serological tests. Do I have Lupus Positive ANA ANA test positive 1:80 ANA test positive 1:80 My 10 yr old is positive for ANA and positive DNA (DS) Ad, IgG Positive ANA but everything else is negative. A low titre of ANA can occur even in the. Jo-1 antibodies can be found as markers in polymyositis, dermatomyositis and intestinal pneumonitis. Positive Ana-Lupus mononucleosis as a teen 20 year old and positive ANA as a woman in her mid 40s Lupus symptoms test negative positive ana with high titer. This is often done as a screening test for auto-immune diseases like lupus. Scl-70 antibodies are characteristic and specific for scleroderma. CENP antibodies are found in patients with CREST Syndrome. The results can be considered as false-positive as it happens in many cases where no symptoms are present despite the positive ANA blood test results. However, the patient should be showing previous symptoms of autoimmune disease for the results to be considered accurate. SS-B/La antibodies are highly specific clinical markers for Sjögren’s syndrome, but a small proportion of patients can remain SS-B/La negative. A positive ANA blood test points out the presence of an autoimmune disease. SS-A/Ro antibodies can be a marker for SLE and Sjögren’s syndrome. U1RNP antibodies in the absence of RNP 70 may indicate SLE. RNP 70 antibodies are more specific for MCTD. U1-RNP antibodies are used to diagnosis SLE and mixed connective tissue disease (MCTD). Smith antibodies are highly specific, although insensitive, clinical markers for systemic lupus erythematosus (SLE). Antinuclear antibodies (ANA) are specific serological markers for the diagnosis and disease management of patients with connective tissue diseases (CTD).
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