What does the presence of anti-PM/Scl autoantibodies or Anti-Ku antibodies indicate in polymyositis?

Updated: Jan 05, 2021
  • Author: Mythili Seetharaman, MD; Chief Editor: Herbert S Diamond, MD  more...
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Anti-PM/Scl autoantibodies are generally found in patients affected by polymyositis overlapping with scleroderma. Anti-Ku antibodies are found in patients with myositis overlapping with other connective tissue diseases.

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