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F. Al-Niaimi and C. Lyon Peristomal lichen sclerosus: the role of occlusion and urine exposure? British Journal of Dermatology 168

Version of Record online: 28 FEB 2013 | DOI: 10.1111/bjd.12014

What’s already known about this topic?

  •  Lichen sclerosus (LS) affecting stomas has rarely been reported and has been considered a variant of extragenital LS.
  •  The disease is of unknown cause, but urine contact with the skin has been considered a specific aetiological factor.
  •  There are several other painful ulcerative conditions that can affect stomas.

What does this study add?

  •  A description of a large group of peristomal LS cases from a defined group of patients with stomas.
  •  Presentation is more commonly primary LS without genital involvement, rather than extragenital disease in patients with genital LS.
  •  The association with urostomies (ileal conduits) strongly indicates an association with urine exposure.

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