People Affected from Vitiligo
This disease affects around one to two percent of the world population. If the person has more dark age, the vitiligo spots would appear more but the ones who have brighter skin, the vitiligo spots appear less. The appearance of vitiligo shows off more in those countries where the majority of the population has darker skin like in India.
It is seen that in half of the vitiligo cases, the disease can happen between the age groups of 10 and 30. There are also certain cases where the vitiligo emerges at birth. Also more than thirty percent report that the disease has positive family history. The families in which the disease like thyroid, diabetes mellitus and vitiligo, the emergence of vitiligo is seen.
The emotional stress can also lead the people developing the vitiligo.
About White Vitiligo Spots:
The typical vitiligo spot happens to be chalk white in color and is laced with the convex margins and has the measurements of 5mm to 5cm. The spots normally are round and oval in shape. This skin disease gradually develops and the new white spots appear on various body parts.
On Which Body Parts Vitiligo Appears?
Mostly the vitiligo is characterized in three types – generalized, focal and segmental vitiligo. In generalized vitiligo, the widespread of white macules is witnessed. On a single site, the focal type gets characterized by one or more macules. The segmental type, that is normally uncommon, gets characterized by one of various macules. This kind usullay does not get associated with vitiligo macules in other body parts.
White Spots are No Vitiligo
Through the clinical examination of the people, the vitiligo diagnosis is normally made. In order to detect all the vitiligo spots, woods light examination is needed in particular on the people with fair skin. It is witnessed that diagnosis of the disease may be happened on the grounds of clinical alone. There are certain cases where the skin biopsy is needed in order to exclude few of the below:
Lupus erythematosus, Pityriasis alba, Piebaldism, Tinea versicolor, Chemical leukoderma and Post-inflammatory hypomelanosis.
As mentioned earlier that vitiligo can be associated with thyroid disease, diabetes mellitus and pernicious anemia.
How Much Vitiligo Develop?
This one is a chronic disease and its course happens to be highly variable and unpredictable. It is seen that upto 30 percent of vitiligo patients reveal the spontaneous repigmentation.