Netizens ask:
Hello! Help me see what's wrong with my nails, only thumbs are like this, thank you!
Picture source/provided by readers
According to the photos you provided, first consider it as a mother nail.
Nail mother nevus is a kind of mole, usually single, commonly found on hands, thumbs, toes, index fingers, etc.
Nail mother is a special tissue structure at the proximal end of the nail. There are active melanocytes in this part. When melanocytes proliferate abnormally, the nail mother will have dark spots and form such black lines.
As the mole gradually increases, the black line will gradually widen.
Onychomycosis easily turns into melanoma, which has a high rate of malignant transformation and high mortality.
So, if there is such a black line on the nail, be sure to pay close attention to its changes.
The following signs appear, indicating that the mother nail may have become malignant, and it must be checked and removed in time:
The width of the black line>3mm;
The black line has increased significantly in the short term Wide and pointed triangle shape;
deck is damaged;
has dark spots on the skin around the nail.
However, this situation is not necessarily a mother nail. After
, the nail color may also appear black.
Nails infected by fungus, lack of vitamin A or iron deficiency anemia, or trauma to the nails may also cause black vertical lines on the nails.
What you have to do now is to pay close attention to the changes of this vertical line, and seek medical attention if you find any abnormalities.
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