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I have a black line going down my finger nail. What can be the problem.?

1 doctor weighed in
Dr. Robert Jackson
Dermatology

In brief: Mole

It may be a mole or pigmented streak, but you should see your dermatologist for treatment and evaluation because it could be a melanoma skin cancer.

In brief: Mole

It may be a mole or pigmented streak, but you should see your dermatologist for treatment and evaluation because it could be a melanoma skin cancer.
Dr. Robert Jackson
Dr. Robert Jackson
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