Welcome to the EmpowHER community. Thank you for seeking our help with your concern.
It is a good sign that the dark vertical line on your thumbnail has not changed. But, it is wise to have it checked by a dermatologist.
Causes range from a nutritional deficiency or imbalance to a form of skin cancer that affects the nail bed, called subungual melanoma. Generally, subungual melanoma only affects one nail.
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Hello Ciel63,
Welcome to the EmpowHER community. Thank you for seeking our help with your concern.
It is a good sign that the dark vertical line on your thumbnail has not changed. But, it is wise to have it checked by a dermatologist.
Causes range from a nutritional deficiency or imbalance to a form of skin cancer that affects the nail bed, called subungual melanoma. Generally, subungual melanoma only affects one nail.
Please keep us updated.
Regards,
October 14, 2014 - 8:19amMaryann
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