Black line: The black line could be from a number of causes but play it safe and get a small biopsy. I have seen melanoma from one case the others were fungus or subungual hematoma.
Answered 11/21/2018
4.9k views
Could be: A normal variant, blood, fungus, melanoma. The concern would be melanoma and hence should be checked out.
Answered 9/17/2019
4.9k views
A doctor has provided 1 answer
A doctor has provided 1 answer
7 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question