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An. bras. dermatol ; 92(5): 686-688, Sept.-Oct. 2017. graf
Article Dans Anglais | LILACS | ID: biblio-887047

Résumé

Abstract: Bowen's disease is an in situ squamous cell carcinoma of the skin with only 2% of pigmented cases reported. It is clinically characterized by papules and plaques of blackened surface that may be caused either by sun damage - usually in photoexposed areas in elderly individuals - or by human papillomavirus infection - usually in the anogenital region of young adults. Dermoscopic aspects of Bowen's disease are discussed for over a decade, but with no definitive criteria that would lead to a definitive diagnosis. We present a case of Bowen's disease affecting the finger of a 57-year-old Asian patient. The lesion clinically and dermoscopically simulated a melanoma. Histopathological findings suggested the diagnosis of pigmented Bowen's disease. Pigmented Bowen's disease should be considered a differential diagnosis of melanoma, since its clinical and dermoscopic criteria are unspecific. Histopathological examination remains the gold standard for the diagnosis of the disease.


Sujets)
Humains , Mâle , Adulte d'âge moyen , Tumeurs cutanées/anatomopathologie , Maladie de Bowen/anatomopathologie , Infections à papillomavirus/anatomopathologie , Main/anatomopathologie , Mélanome/anatomopathologie , Diagnostic différentiel
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