Ten days back I waked up in the morning with a sudden black mark on my right leg's Big Toe nail. Is it hematoma or is it a warning sign of Melanoma? I'm from India(specifically from South India).
Thank you for sharing your photo with our community. We are unable to make any sort of evaluation, but I would encourage you to see a doctor whenever you have a questions about your skin. Please keep updated. Scott skincancer.net team member