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smooth muscle Ab in body fluid

Indications: - useful in distinguishing autoimmune hepatitis from systemic lupus erythematosus Clinical significance: - may be present in: - chronic active hepatitis, including autoimmune hepatitis - hepatic cirrhosis - infectious mononucleosis Notes: - distinguish from anti-Sm antibody

Related

anti-actin antibody Sm (Smith) Ab in serum smooth muscle (unstriated/unstriped/visceral muscle)

Specific

actin smooth muscle Ab in serum smooth muscle Ab qualitative smooth muscle Ab quantitative smooth muscle IgG

General

serology

References

  1. Medline Plus http://www.nlm.nih.gov/medlineplus/ency/article/003531.htm
  2. Medical Knowledge Self Assessment Program (MKSAP) 14, American College of Physicians, Philadelphia 2006