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J Dermatol Case Rep. 2015 Jun 30;9(2):39-41. doi: 10.3315/jdcr.2015.1198. eCollection 2015 Jun 30.

Hemosiderotic dermatofibroma: clinical and dermoscopic presentation mimicking melanoma.

Author information

1
Department of Dermatology and Venereology, Hospital de Santo António dos Capuchos - Centro Hospitalar de Lisboa Central, Lisboa, Portugal.

Abstract

BACKGROUND:

Dermatofibromas are common benign skin neoplasms.

MAIN OBSERVATIONS:

The authors report the clinical, dermoscopic and histopathological features of a hemosiderotic dermatofibroma mimicking melanoma in an 85-year-old woman.

CONCLUSIONS:

Atypical dermoscopic patterns may prove difficult to differentiate from melanocytic lesions, and because of its polymorphic, melanoma-like presentation, definite diagnosis of hemosiderotic dermatofibroma can be reached by histopathological examination.

KEYWORDS:

dermatofibroma; dermatoscopy; dermoscopy; melanoma; skin cancer

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