Vitiligo, a disorder in which the skin turns white due to loss of melanocytes. These cells produce melanin, the pigment that gives skin its characteristic color. Melanocytes also impart color to the retina of the eye tissue and the membrane lining the inside of the mouth, nose, genitals and rectum areas. In vitiligo, melanocytes, some self-destroyed in different parts of the body, the result is white spots in these parts. The hair that grows in areas affected by vitiligo may also turn into white.
The vitiligo or vitiligo is a disease characterized by the appearance of the skin areas despigmentades that may be of different length. This is not a disease neither serious nor contagious impact on the general condition of the person concerned, but it is a cosmetic problem they can affect the patient psychologically.
It is estimated that this disorder affects more than 1% of the population, with highest incidence among women. It is unknown the exact cause of the disorder, but there seems to be a hereditary predisposition and stated that could be related to alteration of the fixation of melanin, the pigment responsible for skin coloration.
Initially, the spots are small and are located around the body: Trunk, abdomen, face, legs or arms, is usually symmetrical. Around these plates are more hyper pigmented areas may grow even more contrast with white. And the hair of the affected area also appears de-pigmented in fact, a spit of white hair may represent a plaque located on the scalp.
The tendency of the spots is growing but can remain stable for quite some time. Many times the outbreak coincided with periods of recovery when the patient is subject to many job stress or emotions.
There is no specific treatment for the disease. However, most patients are not aware that this is a serious disease and if the affected area is small, tend to use only creams or lotions with sunscreen on exposed areas of face or hands to avoid burns and irritation.
The dermatologist will determine what is appropriate, their effectiveness depending on the amount of pigment that cells stimulated to produce.
If stains are widespread vitiligo, phototherapy is probably advisable, consistent the application of UV light on areas de-pigmented always after administering substances that increase sensitivity to light response to provide more color. These substances can be administered as a cream or lotion on the affected area for half an hour before exposure to light. Should be administered an oral preparation, making the interval between the exposure is longer. Typically, the frequency is set between one and two times per week for a period of about six months but may be more, always under strict control of the prescribing physician.
Tips: * This is not a serious illness, but can result in significant aesthetic problems that affect those who suffer psychologically. * Stains such as face and neck areas can make up to mimic the normal coloration. * De-pigmented areas are more sensitive effect of the sun than the rest of the skin, and therefore should be protected appropriately
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