The elongated dermatofibroma: a new dermoscopic variant?
نویسندگان
چکیده
VOLUME 97, MAY 2016 E1 WWW.CUTIS.COM To the Editor: Dermatofibroma is a common cutaneous lesion that most frequently affects young or middle-aged adults, especially women.1 Clinically, it appears as a firm, pink or brown nodule. It may be painful or show a tendency for scarring. The pathognomonic feature of dermatofibroma, regarded as a fibrohistiocytic tumor, is the so-called button sign caused by skin depression following pressure. We present a unique case of elongated dermatofibroma with a linear, white, scarlike patch with a brownish pigmented network and globules. A 40-year-old woman presented with a linear elongated lesion localized to the right side of the infrascapular region of 10 years’ duration. The lesion initially was a small brownish plaque. There was no history of trauma or scratching. Over the next 10 years, the lesion slowly progressed, finally becoming a linear, atrophic, brownish plaque that was 2.5-cm long (Figure 1). The button sign was positive. On dermoscopy the central, elongated, white patch was visualized not as a typical round patch but as a scarlike white line (Figure 2A) surrounded by a brownish network that was especially pronounced in the distal parts of the lesion. In the upper part of the lesion, multiple marginally disseminated, dark brown dots were present. Brownish globules within The Elongated Dermatofibroma: A New Dermoscopic Variant?
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عنوان ژورنال:
- Cutis
دوره 97 5 شماره
صفحات -
تاریخ انتشار 2016