Vitiligo is a common and frequent pigmented skin disease. It is characterized by local or generalized pigmentation loss and white spots, and is an acquired limited or generalized skin pigmentation loss, which is a common skin disease affecting beauty.
(2) Vitiligo patients psychological and mental pressure, self-esteem is easy to be hit, thus producing a series of psychological disorders.
(3) Vitiligo patients have weak ultraviolet defenses, the incidence of skin cancer is much higher than normal people.
(4) Vitiligo can induce a variety of diseases, such as pernicious anemia, baldness, psoriasis, pernicious tumors, bronchial asthma, rheumatoid arthritis and cataracts, as well as complications of hyperthyroidism and other diseases.
2, the clinical manifestations of vitiligo.
3, vitiligo clinical stage. The so-called progressive stage means that the white spots are expanding and there are new white spots with positive isomorphic reaction (that is, new white spots are formed on the basis of trauma or other skin diseases). It is generally in the active stage within 2~3 years of onset. Stable stage white spot stop development, clear boundary, white spot edge pigment deepening.
4, vitiligo classification. The disease can be classified as complete or incomplete according to the loss of pigmentation at the lesion. The former is negative for DOPA, with loss of melanocytes and poor response to treatment. The latter is positive for DOPA, the number of melanocytes is reduced and the chance of cure is high.
Self-checking vitiligo 1, all parts of the human body skin, oral cavity and external genital mucosa can appear irregular white patches of different sizes, single or multiple, white patches area gradually expand, the number increases. The most important thing is that you will be able to get the most out of your skin. In rare cases, the white spots will appear to shrink or disappear on their own.
2, generally speaking, the white spots and normal skin are clearly demarcated, but if the white spots are in progress, the edges can also be blurred, and some can appear around the white spots as a diffusion halo of color between the normal skin and the white spots. The hair within the white spot can be white, or normal, or black and white, the hair becomes white the efficacy is relatively poor, after the disappearance of the white spot, the hair becomes white also makes vitiligo easy to diagnose.
3, the complications of vitiligo. In the clinical performance, vitiligo can complicate or secondary to a variety of diseases, which is also important to help the self-examination of vitiligo. There are many clinical reports of vitiligo cases combined with some autoimmune and endocrine diseases, such as: combined with hyper- or hypothyroidism, diabetes, chronic hypoadrenocorticism and chronic active hepatitis. In addition, there are reports suggesting that vitiligo is associated with pernicious anemia, halo nevus, alopecia universalis or baldness, psoriasis, scleroderma, malignancy, drug rash, herpes zoster, bronchial asthma, odorous dermatitis, rheumatoid arthritis, myasthenia gravis, chronic subcutaneous tissue candidiasis and ocular disorders, as well as complications in herpes-like dermatitis, acromegaly, paronychia, and chronic persistent erythema.