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Case ReportOpen Access

Co-Existence of Porokeratosis Variants Concurrent with Bowen’s Disease: Two Rare Cases Report

Korviriyakamol T , Kattipathananpong P , Chunhasewee C , Wessagowit V , Kootiratrakarn T

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Korviriyakamol T, Kattipathananpong P, Chunhasewee C, Wessagowit V, Kootiratrakarn T. Co-Existence of Porokeratosis Variants Concurrent with Bowen’s Disease: Two Rare Cases Report. J Med Assoc Thai 2014;97:356.

Coexisting variants of porokeratosis rarely occurs. Disseminated superficial porokeratosis (DSP) is characterized by multiple uniform small annular papules distributed all over body. DSP commonly coexist with linear porokeratosis (LP), but it is uncommon for DSP to coexist with porokeratosis of Mibelli (PM). PM presents with central atrophic erythematous plaques and thread-like elevated border. It occurs mainly on extremities. Although malignant transformation can be found in the porokeratosis, there is still no report case of coexisting variants of porokeratosis concurrent with Bowen’s disease. The clinical and histopathologic finding of rare coexisting variants of porokeratosis (PM and DSP) concurrent with squamous dysplasia is described.

Keywords: Porokeratosis of Mibelli, Disseminated superficial porokeratosis, Bowen’s disease

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