1 Different pathogenesis
White spots: White spots: The reason why white spots appear on the skin is because part of the melanin disappears, white spots appear on the skin, and then gradually spread and spread.
Vitiligo: Vitiligo is a common multi-pigmented skin disease, which is mainly characterized by the formation of white spots due to local or generalized depigmentation.
2 Different formation factors
Vitiligo: Vitiligo can also be formed congenitally or acquired; there are genetic factors and infectious factors. In addition to vitiligo, skin white spots include anemic nevus, achromatic nevus, etc. that are formed congenitally, and halo nevus, tinea versicolor, pityriasis alba, etc. that are formed acquired.
Vitiligo: Vitiligo is mainly caused by the reduction or disappearance of melanocytes in the skin and hair follicles, or the reduction or disappearance of tyrosinase activity in melanocytes, resulting in the progressive reduction or disappearance of melanin production. Localized or generalized depigmentation lesions.
3 different colors
White spots:. Vitiligo can be divided into hypopigmented spots and depigmented spots according to their color. Hypopigmented spots are lighter than normal skin color but do not turn porcelain white. The edges of different white spots also have their own characteristics. Some white spots have clear borders and deepened pigment around them, such as white atrophy, discoid lupus erythematosus, etc.
Vitiligo: The skin of patients with vitiligo loses pigment and appears light white, milky white, or porcelain white. In rare cases, white spots may even appear to shrink or disappear on their own.
4 Different locations of onset
Vitiligo: The onset of vitiligo can appear anywhere on the skin, mouth, or external genitalia.
Vitiligo: The number of white spots is variable. It can be limited to a certain part of the body, or distributed in a certain nerve stage (or dermatome). Most cases tend to gradually increase and expand, and adjacent white spots can merge with each other. And the irregular large areas of the city are spread all over the body, like a map.