Background Definition

Vitiligo is an acquired disorder of pigmentation affecting mainly the skin, where the loss of functioning melanocytes results in white patches. The hair and, rarely, the eyes or other organs and systems may be also affected. The most common form of vitiligo is symmetrical, usually affecting the skin around the orifices, the genitals, sun-exposed areas such as the face and hands, and friction areas such as extensor surfaces of the limbs. The rare segmental type affects only one area of the body.

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