Late-Onset Myasthenia Gravis
Open Access
- 1 January 1999
- journal article
- review article
- Published by American Medical Association (AMA) in Archives of Neurology
- Vol. 56 (1), 25-27
- https://doi.org/10.1001/archneur.56.1.25
Abstract
The prevalence of myasthenia gravis (MG) among middle-aged and older patients has increased. Patients with early-onset MG live longer than before, but there is also an increase in late-onset MG (onset of the disease after the age of 50 years in patients with no clinical or paraclinical evidence of a thymoma). Epidemiological data support using the age of 50 years to separate early- and late-onset MG. The main immunological difference between early- and late-onset MG is the presence of antibodies to muscle titin, which are detected in approximately 50% of patients with late-onset MG. Treatment of late-onset MG has to be tailored both to the age of the patient and to the immunological findings of that particular form of MG.Keywords
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