Skin Cancer Research Today is a free monthly online journal that collates and summarizes the latest research about Skin Cancer, including details on identification, causes, prevention, treatment. | ||||||||
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Different dermoscopic faces of dermatofibromas.Kilinc Karaarslan I, Gencoglan G, Akalin T, Ozdemir F Ege University, Medical Faculty, Department of Dermatology, 35100, Bornova, Izmir, Turkey. kilinci35@yahoo.com BACKGROUND: Central white scarlike patch and a delicate pigment network at the periphery is the typical appearance of dermatofibromas on dermoscopy. OBJECTIVE: We aimed to analyze the different dermoscopic appearances of dermatofibromas. METHODS: Fifty-two dermatofibromas with dermoscopic features different from the classic type, which were detected between May 2003 and July 2005, were evaluated. RESULTS: Globules in the scarlike area (38.5%), linear/irregular crypts (26.9%), lentigo-like reticular pigmentation (23%), homogeneous blue-gray pigmentation (5.9%), and erythematous homogeneous area surrounding the white patch (3.8%) were the patterns observed. In addition, dermoscopic features of an atrophic variant of dermatofibroma are described, which was seen in one lesion (1.9%). LIMITATIONS: None. CONCLUSION: Dermatofibromas have various dermoscopic features. Among them, "linear, irregular crypts" is not unusual and is described in this study. Homogeneous bluish pigmentation on dermoscopy may be a possible clue for the diagnosis of hemosiderotic variants of dermatofibromas. Published 20 August 2007 in J Am Acad Dermatol, 57(3): 401-6.
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