Dermoscopy for discriminating between pityriasis rubra pilaris and psoriasis

Aimilios Lallas, Zoe Apalla, Anatoli Karteridou, Ioanna Lefaki

Research output: Contribution to journalArticlepeer-review

Abstract

Pityriasis rubra pilaris (PRP) is a relatively uncommon entity that often has to be clinically differentiated from other erythe-matosquamous skin diseases, such as psoriasis. Dermoscopy has already been shown to enhance clinical evaluation of in-flammatory skin conditions and dermoscopic patterns of various diseases, including psoriasis, have been documented. In the current manuscript we present the dermoscopic findings observed in two patients suffering from PRP and psoriasis, respectively. The dermoscopic pattern of PRP consisted of round/oval yellowish areas surrounded by vessels of mixed mor-phology. The latter findings are clearly distinct from the dermoscopic features of psoriasis, which have been extensively investigated previously and are presented also in the psoriatic patient herein. This observation represents an initial indica-tion that dermoscopy could be of value in differentiating between the two entities.

Original languageEnglish
Pages (from-to)20-22
Number of pages3
JournalJournal of Dermatological Case Reports
Volume7
Issue number1
DOIs
Publication statusPublished - Mar 30 2013

Keywords

  • Blood vessels
  • Dermatoscopy
  • Dermoscopy
  • Pityriasis rubra pilaris
  • Psoriasis

ASJC Scopus subject areas

  • Dermatology

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