Coincident Vitiligo and Psoriasis in the Same Individual

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Abstract
To the Editor.— The occurrence of vitiligo and psoriasis in the same patient is a rare event. In the Archives, De Moragas and Winkelmann recently reported two cases in which the psoriasis occurred only in areas of vitiligo (101:235, 1970). To balance this report, I am recording a case in which psoriasis and vitiligo occurred in the same patient without localization of the psoriasis to depigmented areas. The patient is a white girl aged 15 with a six-year history of extensive vitiligo and a two-year history of psoriasis. Her legs (Fig 1), which were unaffected by vitiligo, apart from the patellar areas, showed extensive psoriatic plaques. The sacral area and buttocks (Fig 2), entirely involved by vitiligo, showed extensive areas of psoriasis with lesser involvement of the upper back. In addition, she showed typical involvement of scalp and nails by psoriasis. Accordingly, psoriasis need not selectively involve areas of vitiligo.

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