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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| Main Authors: | , , , |
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| Format: | Book |
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Sociedade Brasileira de Dermatologia,
2018-10-01T00:00:00Z.
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| Summary: | 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, the injury was suggestive of melanoma or melanoacanthoma, and a definitive diagnosis was made by histopathological examination. |
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| Item Description: | 0365-0596 10.1590/abd1806-4841.20187117 |