Brown or black spots under the nail usually result from ... which may be a symptom of subungual melanoma. Thickening of the nail plate can also often be observed. This dangerous condition ...

Melanoma is one of the most serious forms of skin cancer, and one little-known sign on the feet could indicate a person has it. Experts have warned that what may look like a toenail injury could ...

Kelly Heather, 38, ended up needing brain surgery for a tumor — and it started as a discolored line on her fingernail Kelly ...

When David Edges's wife spotted a faint brown line on his toenail, he didn't think it was anything to worry about. But Kelly, ...

Brown or black spots under the nail are usually the result ... However, it's important to note that nail melanoma is relatively rare—it accounts for about 2% of all melanoma cases.