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Friday, 20 June 2008


A 32-year-old woman consulted for this firm pigmented lesion on her left calf.

Dermoscopy revealed a pigmented network with multiple scar-like patches.
Typically the dermoscopic presentation of dermatofibromas consist in a central white scar-like patch with peripheral delicate pigment network. In this case the scar-like depigmentation was in patches and in a asymmetric disposition.

Zaballos et al * found multiple scarlike patches in 12.3% of dermatofibromas with
a scarlike patch and note that Blum and Bauer described a case of melanoma dermoscopically
mimicking a dermatofibroma with 4 central white scarlike patches and a delicate pigment network at the periphery.
* Arch Dermatol. 2008;144(1):75-83