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

More general terms

• serology

More specific terms

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

Additional terms

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