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Open Access Publications from the University of California

Perforating disorder secondary to leflunomide and review of the literature of medications associated with perforating disorder

  • Author(s): Keeley, Jordan M
  • Pavlidakey, Peter
  • Sami, Naveed
  • et al.
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Public License

The perforating dermatoses are a group of disorders characterized by transepidermal elimination of a material from the upper dermis. The most widely accepted classification consists of four primary perforating disorders that are defined by the type of material eliminated and the type of epidermal disruption. Pathogenesis of the perforating dermatoses is poorly understood, but some appear to have a genetic component. There are also acquired forms, which have been associated with underlying systemic diseases and the use of certain drugs. In this report, we describe a perforating disorder that occurred secondary to leflunomide therapy. To our knowledge, this is the first case in which this has been reported. We also review the recent literature on medications associated with perforating disorders.

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