Which antibody assays are useful in the evaluation of myasthenia gravis (MG)?

Updated: Aug 27, 2018
  • Author: Abbas Jowkar, MD; Chief Editor: Nicholas Lorenzo, MD, MHA, CPE  more...
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Answer

Assays for the following antibodies may also be useful:

  • Anti-MuSK antibody (present in about half of patients with negative results for anti-AChR antibody)

  • Anti-lipoprotein-related protein 4 (LRP4) antibody

  • Anti-agrin antibody

  • Antistriational antibody (present in almost all patients with thymoma and MG, as well as in half of MG patients with onset of MG at 50 years or older)

  • Anti-cortactin antibody


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