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Journal of the American Academy of Dermatology
Volume 57, n° 3
pages 401-406 (septembre 2007)
Doi : 10.1016/j.jaad.2006.10.984
accepted : 1 October 2006
Reports

Different dermoscopic faces of dermatofibromas
 

Isil Kilinc Karaarslan, MD a, , Gulsum Gencoglan, MD a, Taner Akalin, MD b, Fezal Ozdemir, MD a
a From the Departments of Dermatology 
b Pathology, Ege University 

Reprint requests: Isil Kilinc Karaarslan, MD, Ege University, Medical Faculty, Department of Dermatology, 35100, Bornova, Izmir, Turkey.

Izmir, Turkey

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.

The full text of this article is available in PDF format.

 Funding sources: None.
Conflicts of interest: None declared.



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