Collision tumor: pigmented Bowen's disease and seborrheic keratosis

Abstract: Bowen's disease is a type of squamous cell carcinoma in situ of the skin. The pigmented form is rare and represents less than 2% of cases. We report a case of a 74-year-old black man with a blackened and asymptomatic leg injury for about 6 months. Clinically, and under dermatoscopy, t...

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Bibliographic Details
Main Authors: Karen de Almeida Pinto Fernandes, Diana Carolina Salamanca Martinez, Aretha Brito Nobre, Gabriella Campos-do-Carmo
Format: Article
Language:English
Published: Sociedade Brasileira de Dermatologia 2018-10-01
Series:Anais Brasileiros de Dermatologia
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962018000500737&tlng=en