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BACKGROUND: Darkly pigmented individuals may manifest unusual or uncharacteristic presentations of various skin conditions, including heavy pigmentation of cutaneous tumors. OBJECTIVE: To increase the awareness of an unusual presentation of Bowen's disease in a darkly pigmented individual. METHODS: We report the case of a 52 year old black woman that presented with a lesion clinically consistent with malignant melanoma. However, histopathologic examination revealed pigmented Bowen's disease. RESULTS: A biopsy is almost always indicated to confirm the diagnosis of lesions in darkly pigmented individuals. CONCLUSION: This case is presented to reinforce the idea that pigmented Bowen's disease should be considered in the differential diagnosis of malignant melanoma.
Krishnan et al. (Sun,) studied this question.