Myasthenia gravis classification

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Charmaine Patel, M.D. [2]

Myasthenia gravis Microchapters
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Overview
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Classification
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Differentiating Myasthenia Gravis from other Diseases
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Classification

Myasthenia gravis may be classified into 3 subtypes based on presence of autoantibodies.

Generalized form with anti-AChR antibodies

• Early onset myasthenia gravis (onset of the disease before the age of 50 (EOMG))
• Late onset myasthenia gravis (onset of the disease after the age of 50 (LOMG))

The forms without classical anti-AChR antibodies

• The form with anti-anti-MuSK antibodies
• The form with anti-LRP4 antibodies
• The form with clustered AChR antibodies