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J Low Genit Tract Dis. 2014 Jan;18(1):E1-3. doi: 10.1097/LGT.0b013e3182887155.

Psoriasis superimposed on vitiligo: the tricolored vulva.

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  • 11Hunter Area Pathology Service, Faculty of Health Sciences, University of Newcastle, Newcastle; and 2Riverina Dermatology, Wagga Wagga, NSW, Australia.

Abstract

OBJECTIVE:

This study aimed to describe 2 cases of vulvar psoriasis and vitiligo resulting in a striking clinical appearance.

MATERIALS AND METHODS:

Case 1 was of a 41-year-old woman concerned about a dark pigmentation around the introitus. Case 2 was of an 80-year-old woman with vulvar itch and red, white, and brown areas.

RESULTS:

The vulva in each case showed a tricolored appearance of well-demarcated red, white, and brown colors. Biopsies showed psoriasis superimposed on vitiligo in the red, vitiligo in the white, and normal skin in the brown areas.

CONCLUSIONS:

When psoriasis and vitiligo are colocalized, the redness of the psoriasis may mask the vitiligo resulting in a striking red, white, and brown tricolored appearance.

[PubMed - indexed for MEDLINE]
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