Dermoscopic features of combined melanocytic nevi


Vincenzo de Giorgi, MD, Department of Dermatology, University of Florence, Via degli Alfani, 37-50121 Firenze, Italy
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Abstract:  In order to investigate the possible role of dermoscopy in the non-invasive classification of combined nevi, we analyzed dermoscopic features of a series of combined nevi consecutively excised. Two dermatologists expert in dermoscopy retrospectively evaluated all images based on the presence of dermoscopic findings to analyze which epiluminescence microscopy features were more frequently associated with each type of combined nevus. Dermoscopy may provide useful information in the non-invasive diagnosis of combined nevi, allowing a conservative management, but this may be limited to combined nevi including a blue nevus component. Conversely, combined nevi including a Spitz nevus component may be difficult to classify even by dermoscopy, thus requiring careful monitoring or surgical excision.