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Article
February 1982

Thymectomy in Late-Onset Myasthenia Gravis

Author Affiliations

From the Departments of Medicine (Neurology) (Drs Olanow and Roses), and Biochemistry (Dr Roses), Duke University Medical Center, Durham, NC; and the Department of Neurology (Dr Lane), University of Newcastle-upon-Tyne, England.

Arch Neurol. 1982;39(2):82-83. doi:10.1001/archneur.1982.00510140016004
Abstract

• Between 1977 and 1979, 12 consecutive patients with myasthenia gravis who were over the age of 55 years were treated by thymectomy. In all, their conditions improved clinically; 11 of the 12 became free of the generalized features of myasthenia gravis. Nine patients required no further medication. Acetylcholine-receptor antibody titers did not change significantly. Although five patients had atrophic thymus glands, their conditions also improved. We conclude that (1) thymectomy is a safe and effective therapy for patients with myasthenia gravis who are over the age of 55 years; (2) steroids and anticholinesterase agents are not essential in the management of late-onset myasthenia gravis; and (3) reduction in acetylcholine-receptor antibody titer is not essential for beneficial clinical response.

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