Porokeratosis simulating Bowen’s disease on dermoscopy

Abstract Porokeratosis is a disorder of epidermal keratinization characterized by the presence of annular hyperkeratotic plaques. Its etiopathogenesis is not yet fully understood, but a relationship with immunosuppression has been reported. Dermoscopic examination revealed a classic yellowish-white ring-like structure that resembled “volcanic crater contour” – the so-called cornoid lamella. We describe a case of porokeratosis in a female patient with chronic lymphedema, which was similar to Bowen’s disease due to the many glomerular vessels seen on clinical examination and dermoscopy.

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Bibliographic Details
Main Authors: Herênio,Alzinira Sousa, Cavalcanti,Silvana Maria de Morais, França,Emmanuel Rodrigues de, Maranhão,Clarissa Marques, Alencar,Eliane Ruth Barbosa de
Format: Digital revista
Language:English
Published: Sociedade Brasileira de Dermatologia 2016
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962016001100119
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