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A member asked:

I have a vertical crease on my thumbnail which has a 1/16 inch size brown spot near the top of it. this discoloration sound right for a nail crease?

A doctor has provided 1 answer
Dr. Jason Siefferman answered

Specializes in Pain Management

See derm: It's possible to have melanoma even under the nail.

Answered 9/28/2016

4.4k views

Thank

Related Questions

A member asked:

My fingernail had tiny white spots, after it disappeared it left my nail pitting. And now 3 of my fingernails are also pitting. What's going on with my nails?

A doctor has provided 1 answer

A member asked:

How do genital warts spread on yourself? Husband has darker pink/red/brown cali flower bumps on pubic/Scrotum. Now has one flat tan/pink spot on top of penis base. Is he spreading by his own hand? By shower towel? Us having sex? I am vaccinated?

2 doctors weighed in across 2 answers

A member asked:

I have a brown spot on the top of my toe. I am a runner. Thought the nail had hurt me but the spot is not under the nail. It was under a blister?

A doctor has provided 1 answer

A member asked:

I have two vertical black lines on the side of my left thumb fingernail also I have another one on my right thumbnail i didn't smash either nails?

A doctor has provided 1 answer

A member asked:

I have a horizontal ridge/bump (high to low) on only one thumbnail. Only middle part. Not entirely across. Also thin white vertical line across nail.

A doctor has provided 1 answer

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