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Wednesday 28 May 2008

Dermatofibroma with vascular structures

A 54-year-old woman consulted for a firm reddish tumor on her left thigh.
Dermoscopy revealed a central scarlike white patch in favor of a dermatofibroma and peripheral vascular structures: peripheral erythema and linear-irregular vessels.

peripheral erythema and linear-irregular vessels

Vascular structures are found in 29 to 49% of dermatofibromas, including erythema, dotted vessels, coma vessels, hairpin vessels, glomerular vessels, telangiectasias, linear-irregular vessels, polymorphous/atypical vessels.

Dermoscopy of dermatofibromas. A Prospective Morphological Study of 412 Cases
P. Zaballos, S. Puig, A. Llambrich, J. Malvehy, Arch Dermatol. 2008;144(1):75-83