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Black line on thumb nail
From few days I have observed black line on thumb nail. I there any problem due to that. I heard it might be melanoma.
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It can be, but it most of the times it is physiological (normal) melanonychia. If u are too worried, go for a biopsy.
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.