White spots on children's fingers

The phenomenon of white spots on children's fingers must be taken seriously, because the symptoms of this disease are more consistent with the characteristics of vitiligo. Vitiligo is a very serious skin disease. There is currently no effective cure and the disease can only be controlled. Although white spots on children's fingers do not necessarily mean they have vitiligo, given the similarities, it is important to understand the disease and find out the child's condition as soon as possible.

There is no significant gender difference in vitiligo, and it can occur in all age groups, but it is more common in adolescents. The skin lesions are depigmented spots, which are often milky white but can also be light pink, with a smooth surface and no rash. The boundaries of the white spots are clear, the pigmentation of the edges is increased compared to normal skin, and the hair inside the white spots is normal or whitened. The lesions often occur in areas exposed to sunlight and damaged by friction, and are often distributed symmetrically. White spots are often distributed according to nerve segments and arranged in bands. In addition to skin lesions, the mucous membranes of the lips, labia, glans penis and inner foreskin are also often affected.

Differential diagnosis 1. Anemic nevus occurs in childhood and is mostly seen on the face. It is a light-colored spot that does not turn red when stimulated or rubbed, but the surrounding skin turns red. 2. Pityriasis alba may be related to dry skin and sun exposure, and manifests as hypopigmented spots with unclear edges and a small amount of white scales on the surface. 3. Non-pigmented nevus occurs at birth or shortly after birth. The skin lesions are localized pale white spots with jagged edges.

4. Tinea versicolor lesions occur on the trunk and upper limbs. They are pale white round or oval spots with unclear boundaries and fine scales on the surface. Fungal tests are positive. 5. Albinism is a congenital non-progressive disease, often with a family history. The skin and hair all over the body lack pigmentation, the irises of both eyes are transparent, and the choroidal pigment disappears, making it easy to distinguish from vitiligo. 6. Leprosy leukoplakia is an incomplete hypopigmented macules with unclear borders, loss of surface sensation, and other symptoms of leprosy. 7. The leukoplakia of secondary syphilis occurs on the neck, is not pure white, and the syphilis serum reaction is positive. 8. Other diseases should also be differentiated from discoid lupus erythematosus, mucosal leukoplakia, etc. s

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