What is nail melanoma? 21-year-old details spotting skin cancer on nail05:19
When Karolina Jasko spotted a strange spot on her right thumbnail, she wasn’t immediately alarmed. She thought it was just a bruise. It looked like a perfectly straight thin vertical line drawn with a pencil from the top to the bottom of her nail. After the nail became infected, she learned it was acral lentiginous melanoma.