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Immunofluorescence pattern of SS-A and SS-B antibodies. Produced using serum from a patient on HEp-20-10 cells with a FITC conjugate. Anti-SSA autoantibodies (anti–Sjögren's-syndrome-related antigen A autoantibodies, also called anti-Ro, or similar names including anti-SSA/Ro, anti-Ro/SSA, anti–SS-A/Ro, and anti-Ro/SS-A) are a type of anti-nuclear autoantibodies that are associated with ...
Anti-ovarian antibodies Probable Rare [73] Autoimmune orchitis: Testes: Anti-sperm antibodies Probable Rare [74] Autoimmune pancreatitis: Pancreas: IgG4, Anti-CA2 antibodies Confirmed 0.82-1.3 per 100,000 [75] Autoimmune polyendocrine syndrome type 1 (APS1) Multiple endocrine organs Various autoantibodies depending on the organs affected Confirmed
Those with anti-Jo1 antibodies had less remission of myositis and more relapses than those with anti-PL-12 and anti-PL-7 antibodies. [64] Anti-Jo-1 and anti-Ro52 antibodies co-occurring were linked to an increased risk of neoplasm , a symptomatic severe variant of interstitial lung disease, myositis, and arthritis exacerbation.
CREST is not easily diagnosed as it closely mimics symptoms of other connective tissue and autoimmune diseases. Diagnoses are usually given when a patient presents two or more of the five major clinical symptoms. [5] Additionally, blood exams can be given to test for a positive ANAs and ACAs or skin biopsies can be given to help confirm a ...
p-ANCA is associated with several medical conditions: [3] It is fairly specific, but not sensitive for ulcerative colitis, so is not useful as a sole diagnostic test. [4] When measured together with anti-saccharomyces cerevisiae antibodies (ASCA), p-ANCA has been estimated to have a specificity of 97% and a sensitivity of 48% in differentiating patients with ulcerative colitis from normal ...
AL amyloidosis is caused by the deposition of abnormal antibody free light chains. The abnormal light chains are produced by monoclonal plasma cells, and, although AL amyloidosis can occur without diagnosis of another disorder, it is often associated with other plasma cell disorders, such as multiple myeloma and Waldenström's macroglobulinemia. [6]
Secondary cold agglutinin syndrome occurs when autoantibodies bind to red blood cells, rendering them subject to attack by the complement system. [17] It is a result of an underlying condition potentially associated with either monoclonal cold-reacting autoantibodies or polyclonal cold-reacting autoantibodies [16] predominantly caused by infection or lymphoproliferative disorders. [16]
Granulomatosis with polyangiitis is part of a larger group of vasculitic syndromes called systemic vasculitides or necrotizing vasculopathies, all of which feature an autoimmune attack by an abnormal type of circulating antibody termed ANCAs (antineutrophil cytoplasmic antibodies) against small and medium-sized blood vessels.