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. 2007 Sep;57(3):401-6.
doi: 10.1016/j.jaad.2006.10.984. Epub 2007 Jun 8.

Different dermoscopic faces of dermatofibromas

Isil Kilinc Karaarslan  1 , Gulsum Gencoglan, Taner Akalin, Fezal Ozdemir
Affiliations

Different dermoscopic faces of dermatofibromas

Isil Kilinc Karaarslan et al. J Am Acad Dermatol. 2007 Sep.

Abstract

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.

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