Is it Polymyositis or Immune-Mediated Necrotizing Myopathy?

Dr. Lisa Christopher-Stine talks about polymyositis as a truly rare diagnosis and what to look for when it may not be polymyositis, but rather a necrotizing myopathy often referred to as necrotizing autoimmune myopathy or something else. Looks at muscle biopsy slides, diagnostic criteria and other diseases doctors should think about. This is a portion of the 2018 session about polymyositis.

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