Dermatology Nursing. 2007;19(1):83-84. Athletes may develop sports-related subungual hematomas. Repeated trauma to the nail bed occurs each time the toe contacts the inside of the sneaker.

A dermatologist has warned that a specific mark on your nail could be a sign of a serious health problem – so it's important ...

However, according to the American Academy of Dermatology Association (AADA), it can also form under and around the nails, a condition known as subungual melanoma. This rare type of melanoma is ...