| umls-concept:C0042900 | skos:definition | MSH: A disorder consisting of areas of macular depigmentation, commonly on extensor aspects of extremities, on the face or neck, and in skin folds. Age of onset is often in young adulthood and the condition tends to progress gradually with lesions enlarging and extending until a quiescent state is reached.,CSP: usually progressive, chronic pigmentary anomaly of the skin manifested by depigmented white patches that may be surrounded by a hyperpigmented border.,MEDLINEPLUS: <p>Vitiligo causes white patches on your skin. It can also affect your eyes, mouth and nose. It occurs when the cells that give your skin its color are destroyed. No one knows what destroys them. It is more common in people with autoimmune diseases, and it might run in families. It usually starts before age 40. </p><p>The white patches are more common where your skin is exposed to the sun. In some cases, the patches spread. Vitiligo can cause your hair to gray early. If you have dark skin, you may lose color inside your mouth. </p><p>Using s | lld:umls |
