The yellowing of the nail cap of the hand may be caused by pigment staining, fungal infection, nail malnutrition and other reasons.
1. Pigment staining to the dorsal or ventral surface of the nail plate and into the inner nail plate, pigment can be stained by the environment, microorganisms, subnail hemorrhage, or through the blood circulation deposited into the new nail plate, the phenomenon of yellowing fingernail cap.
2. Fungus infects the nail plate, destroying the keratin structure in the nail plate to change the translucency of the nail plate, or the pigment produced by the fungus is deposited in the nail plate, making the fingernail cover yellow.
3. Various reasons to make the deck texture changes, such as nail dystrophy, etc., keratinocytes residual cell nuclei, keratinocytes are not tightly connected with each other, the surface of the deck is rough and unequal changes, the fingernail cover yellowing.
Hand nail cover yellowing can also be seen in other diseases, it is recommended that the patient timely consultation, follow the doctor’s instructions standardized treatment, to avoid delaying the condition.