Myasthenia gravis: disease severity and prognosis.


OBJECTIVES To examine myasthenia gravis (MG) severity and long-term prognosis in seronegative, seropositive, and thymoma MG. MATERIALS AND METHODS Four series of patients were studied retrospectively. Severity and treatment were assessed each year, and muscle antibodies were assayed. RESULTS Seropositive MG patients had a more severe course than… (More)


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