Thursday, March 2, 2017

Vitiligo



Unusual Looking Animals with Vitiligo


For those of you who don't know, vitiligo is a harmless long-term skin disorder characterized by white patches that appear on different parts of the body. This happens because the body's immune system attacks and destroys the skin cells that make color (called melanocytes).

Around one percent of the world's population (approximately 50 million people) are thought to have vitiligo, including between two to five million in the US alone, and although it's more common in humans, it can also occur in animals as well.


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~~~~~~~~~~~~~~~~~~~ People get Vitiligo too...
from: Wikipedia

Vitiligo is a long term skin condition characterized by patches of the skin losing their pigment. The patches of skin affected become white and usually have sharp margins. The hair from the skin may also become white. Inside the mouth and nose may also be involved. Typically both sides of the body are affected. Often the patches begin on areas of skin that are exposed to the sun. It is more noticeable in people with dark skin. Vitiligo may result in psychological stress and those affected may be stigmatized.

 James Heilman, MD
The cause is typically unknown. It is believed to be due to genetic susceptibility that is triggered by an environmental factor such that an autoimmune disease occurs. This results in the destruction of skin pigment cells. Risk factors include a family history of the condition or other autoimmune diseases, such as hyperthyroidism, alopecia areata, and pernicious anemia. Vitiligo is classified into two main types: segmental and non-segmental. Most cases are non-segmental meaning they affect both sides and typically get worse with time. About 10% of cases are segmental meaning they mostly involve one side of the body and do not typically worsen with time. Diagnosis can be confirmed by tissue biopsy.



Pop music singer Michael Jackson revealed in an interview with Oprah Winfrey in February 1993 that he had vitiligo. This was confirmed by the autopsy report following his death in 2009

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