这个词是什么意思？
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.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D014820 · MeSH 2026。
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