Melanoma may mimic clinically a number of benign skin tumours by exhibiting overlapping features that do not allow accurate differentiation. Dermoscopy is a noninvasive diagnostic tool allowing the evaluation of specific subsurface morphological structures that are useful in most cases to distinguish melanoma from other melanocytic and nonmelanocytic skin tumours. In order to minimize the risk of missing melanoma, the diagnosis should be based on a good correspondence between the clinical and the dermoscopic findings. The case presented here refers to a melanoma clinically simulating dermatofibroma that was biopsied because dermoscopic examination revealed unusual features that did not confirm the clinical diagnosis.
- Clinical diagnosis
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