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anti-smooth muscle antibody (ASMA)

Etiology: 1) chronic active hepatitis, including autoimmune hepatitis* 2) hepatic cirrhosis 3) infectious mononucleosis * useful in distinguishing autoimmune hepatitis from systemic lupus erythematosus Notes: - distinguish from anti-Sm antibody

Related

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

Specific

actin IgG Ab in serum/plasma anti-actin smooth muscle antibody

General

autoantibody

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