Polymyositis and dermatomyositis classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sadaf Sharfaei M.D.[2]

Overview

Polymyositis and dermatomyositis may be classified according to [classification method] into [number] subtypes/groups: [group1], [group2], [group3], and [group4].

Classification

• Polymyositis and dermatomyositis is one of the subtypes of inflammatory myopathies.
• Inflammatory myopathies may be classified into 6 subtypes: