A 53-year-old man consulted for this firm tumor on his 5th left finger. Clinical diagnoses were an acquired fibrokeratoma or a wart.
Dermoscopy revealed a peripheral homogeneous pigmentation and a
central white scarlike patch in favor of a dermatofibroma.
The lesion was excised and pathology confirmed this diagnosis of dermatofibroma.
Dermatofibromas are usually localized on the extremities , shoulders, thighs, buttocks.
Digital localization is rarely reported in the literature*.
Dermoscopy allows a more accurate diagnosis before excision of digital tumors.
* T. Yamamoto et al. Dermatofibroma of the digit: report of six cases.Dermatology 2003; 207:79-81
Other cases of dermatofibromas
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