Melanoma is a highly aggressive skin tumor nicknamed "black cancer of the skin" because it originates from the pigment-forming cells (melanocytes). The tumors are prone to invasive growth and early lymphogenic and hematogenic metastasis. Known risk factors are UV radiation, light skin type, the presence of multiple atypical nevi, and a positive family history. Decisive for the course of the disease are a guideline-based diagnosis and therapy. In addition to complete excision of the primary tumor with an adequate safety margin, various systemic therapies are available. These are in particular BRAF-targeted therapy and PD-1-based immune checkpoint therapy. This mini-review does not claim to be exhaustive, but is intended to focus primarily on those aspects of the disease that are currently in clinical and scientific focus, and on which there are new developments to report. In particular, there are new therapeutic regimens for unresectable melanoma and studies of adjuvant treatments, as well as developments in diagnostics.
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