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A 60-year-old man presented with a non-healing interdigital ulcer on the right foot. Various treatment regimens had no effect. Three months later, histopathological examination of a biopsy showed an acrolentiginous amelanotic melanoma. Partial foot amputation followed, but metastases were diagnosed several months later. If no improvement occurs in a benign-looking acral lesion, doctors should closely observe the lesion and consider biopsy.

Resurfacing denotes mechanical, chemical or physical removal of the superficial layers of aging skin, after which collagenesis is reactivated with improved epidermal architecture as a result. CO2 laser resurfacing is a modern technique for the treatment of skin aging. With CO2 laser resurfacing it is possible to perform accurate ablation of layers of the skin. Besides the cosmetic indications, this technique is a good treatment modality for a broad spectrum of dermatological diseases.