Multiple choice

Which of the following autoimmune disorders leads to the depigmentation of patches of skin?

  1. Transverse myelitis

  2. Ulcerative colitis

  3. Vitiligo

  4. Wegener's granulomatosis
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C Correct answer
Explanation

Vitiligo is a disorder that causes depigmentation of patches of skin. It occurs when melanocytes, the cells responsible for skin pigmentation, die or are unable to function. The cause of vitiligo is unknown, but research suggests that it may arise from autoimmune, genetic, oxidative stress, neural, or viral causes.

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