A year ago i found a brown line in my thumb finger nail. it was almost transparent and now it has become darker. melanoma?
1 doctor answer • 2 doctors weighed in
Psychiatry 26 years experience
Can't diagnose: Dark lines in black people over age 20 is usually normal. Black stripes down one nail could be a subungual hematoma. Red or brown streaks could be splinter hemorrhages.
However, Melanoma can sometimes present as dark stripes on a nail.
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Last updated Jan 14, 2020
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