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Open Access Publications from the University of California

Liquen plano pigmentoso sobreimpuesto

  • Author(s): Monteagudo, Benigno
  • Suarez-Amor, Oscar
  • Cabanillas, Miguel
  • de las Heras, Cristina
  • Alvarez, Juan Carlos
  • et al.
Creative Commons 'BY-NC-ND' version 4.0 license

Lichen planus pigmentosus is an uncommon variant of lichen planus that is characterized by the insidious onset of dark brown macules in sun-exposed areas and flexural folds.

Superimposed linear lichen planus is an exceedingly rare disorder, but it has been found in both lichen planopilaris and lichen planus types. A 39-year-old woman is presented showing a segmental and linear lichen planus associated with non-segmental lesions meeting all criteria for the diagnosis of superimposed linear planus pigmentosus. The segmental lesions were always more pronounced.

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