Giant verrucous porokeratosis of Mibelli mimicking psoriasis in a patient with psoriasis - 19/08/11
, Guido Massi, MD b, Ilaria Proietti, MD a, Angela Capponi, MD a, Pier Luigi Amerio, MD a, Rodolfo Capizzi, MD a
Correspondence to: Andrea Paradisi, MD, Department of Dermatology, Policlinico A. Gemelli, Università Cattolica del Sacro Cuore, Largo Gemelli 8 - 00168 Rome, Italy.Abstract |
Porokeratosis of Mibelli is a disorder of epidermal keratinization characterized by annular plaques with an atrophic center surrounded by a keratotic wall. We report a case of a giant verrucous porokeratosis of Mibelli mimicking psoriasis that developed in a patient with psoriasis and therefore went unrecognized for a long time. Histologically the lesion combined features of porokeratosis at the periphery and of psoriasis at its center, a picture recently described as “psoriasis encircled by porokeratosis.” The possible pathogenetic relationship between psoriasis and the development of porokeratosis is also discussed.
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| Funding sources: None. |
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| Conflicts of interest: None declared. |
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| Reprints not available from the authors. |
Vol 57 - N° 4
P. 665-668 - octobre 2007 Retour au numéro
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