Medically reviewed by Susan Bard, MD Melanonychia, a black line on your nail, can be a sign of melanoma or benign pigmentation changes.Injuries, medications, and conditions like hyperthyroidism may ...

An American woman discovered she had melanoma when she noticed an unusual change in her thumbnail. Lauren Koltcz observed a peculiar alteration to her nail, saying: "It started out as a tiny little ...

New spots and lesions appearing on your skin, especially after sun exposure, can be alarming. While often harmless age spots, these pigmented areas could also signal melanoma, a form of skin cancer.

CHICAGO (WLS) -- An estimated one in five Americans will be diagnosed with skin cancer in their lifetime, and one person dies from melanoma - the deadliest form of skin cancer - every hour. There have ...

Maryland resident James Riordan assumed the mole on his cheek was harmless until his wife pointed it out and encouraged him to have it examined. "I pointed it out to my dermatologist, and she probably ...