It depends: Melanoma can be in the nail bed under the nail or back in the matrix or root of the nail. Get it checked. Melanoma is a serious malignancy.
Answered 4/1/2013
5.2k views
Likely your fine: And it was blood in the nail. Melanoma occurs in the nail bed under the nail. It can show in the toenail as pigmented or sometimes without pigment.
Answered 11/28/2017
5.2k views
A streak: It appears as a dark streak in the direction the nail goes. If you have a concerning lesion under your toenail you should see your friendly dermatologist.
Answered 12/29/2016
5.2k views
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5 doctors weighed in across 2 answers
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