Neuromuscular Questions - Residency

On the basis of well defined clinical, demographic, histologic and immunopathological criteria, the inflammatory myopathies can be classified into three major groups: polymyositis (PM), dermatomyositis (DM), and inclusion body myositis (IBM). General Clinical Features. The incidence of PM, DM, and IBM is approximately 1 in 100,000. ................
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