In the case of a suspicious mole on the skin, the question always arises as to whether it is benign or malignant. Is it a harmless mole, a capillary malformation or a basal cell carcinoma, squamous cell carcinoma or even a melanoma? Often the nevus can be assessed just by a close examination of the lesion and a few questions about its origin. However, every dermatologist knows all too well the problem that very different lesions can look extremely similar to the naked eye and even on dermatoscopy. Therefore, the question arises: how should dermatology deal with and communicate in such cases? This article identifies ways forward in this difficult situation, which occurs tens of thousands of times a day around the globe.