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Pigmented seborrheic keratoses of the vulva clinically mimicking a malignant melanoma: a clinical, dermoscopic-pathologic case study

2005; Oxford University Press; Volume: 30; Issue: 1 Linguagem: Inglês

10.1111/j.1365-2230.2004.01594.x

1365-2230

Vincenzo De Giorgi, Daniela Massi, Camilla Salvini, Francesca Mannone, Paolo Carli,

Nonmelanoma Skin Cancer Studies

The diagnosis of seborrheic keratosis is, in general, a clinical one, but in some cases, the differential diagnosis between pigmented seborrheic keratosis and malignant melanoma is difficult. Dermoscopy may improve the early diagnosis of vulvar melanoma and thus play a role in the preoperative classification of pigmented lesions at this particular site. We report the first case of a pigmented seborrheic keratosis of the vulva clinically mimicking a malignant melanoma, whose dermoscopic features have been investigated together with their pathologic correlates. Dermoscopically our case shows the absence of comedo‐like openings and the presence of the pseudo‐network. Dermoscopy is therefore a useful method for the differential diagnosis of pigmented lesions even in the vulva.