Rinshō shinkeigaku = Clinical neurology
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A-58-year old man presented with fluctuating ptosis and dysphagia. When he was 53 years old, he developed oral candidiasis and serum human immunodeficiency virus (HIV) RNA was detected. After starting highly active antiretroviral therapy, serum HIV RNA became undetectable. ⋯ Most of those cases were benign in clinical course and required only anticholinesterase therapy. In our case, however, anti-MuSK antibodies were positive, and symptoms of myasthenia gravis remained despite prednisolone administration. Cyclosporin is directly active against HIV, and thus, cyclosporine therapy may be helpful in patients with concomitant myasthenia gravis and HIV infection.