- Video: Melanoma — Early stage and advanced melanoma
- Video: Sentinel node biopsy for melanoma
- Video: Skin cancer — How skin cancer develops
- Slide show: Melanoma pictures to help identify skin cancer
Melanoma is a form of skin cancer that begins in the cells (melanocytes) that produce the pigment in your skin. This illustration shows melanoma cells extending from the surface of the skin into the deeper skin layers.