Abstract: A device for monitoring surface alterations over time, preferably skin alterations, has means for capturing images of the alterations and for storing same in a memory. The device includes a screen and a processor for processing and managing said images, and the aforementioned image-capture means includes at least two cameras with overlapping viewing angles. The processor is configured to process skin alteration images taken from different angles and to obtain therefrom an image of said skin alteration that corresponds to a pre-determined viewing angle, lighting type and level and distance.