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J. Wang, G. Guo, G. Chen, B. Wu, L. Lu and L. Bao Meta-analysis of the association of dermatomyositis and polymyositis with cancer British Journal of Dermatology 169

Version of Record online: 10 OCT 2013 | DOI: 10.1111/bjd.12564

What's already known about this topic?

  • Necrotic skin ulcerations and pruritus, elevated erythrocyte sedimentation rate, periungual erythema and dysphagia are known risk factors for cancer in dermatomyositis (DM) and polymyositis (PM).
  • Previous studies were small in size and failed to draw definitive conclusions.

What does this study add?

  • We report a meta-analysis of published studies.
  • Our results suggest that age, sex, cutaneous necrosis, dysphagia, arthritis and lung complications may influence the susceptibility of patients with DM or PM to cancer.

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