Modern rheumatology
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Necrotizing autoimmune myopathy (NAM) is a severe adverse effect of statins. We report a 66-year-old Caucasian female who had progressive proximal muscle weakness after treatment with statins. ⋯ The clinical and laboratory parameters improved significantly with immunosuppressive treatment. Although it is a rare event, statin-induced NAM should be included as a differential diagnosis of myopathies.