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本文普查5606个10岁以上60岁以下的健康人中,黄褐斑的患病率是9.7％,其中16～20岁的患病率为2.9％,21～25岁的为16.8％,26～30岁的为34.7％,31～35岁的为35.32％。906例中包括普查的540例和门诊366例。维吾尔族的患病率较汉族为高。作者对黄褐斑可能有关的病因和诱因进行了详细的询问和记录,如外伤、妇科病、避孕措施、结核史、肝炎史、饮酒史、孕期发病或加重情况,与季节的关系。并对与之可能有关的化验进行了检查,如阴道上皮细胞涂片检查、血浆铜离子及铜蓝蛋白检查,肝功三项及HBsAg检查。黄褐斑的病因一般
The prevalence of melasma is 560% of the 5606 healthy people over the age of 10 and under 60. The prevalence of melasma is 9.7%, of which, the prevalence rate is 2.9% in 16 ~ 20 years old, 16.8% in 21 ~ 25 years old, 26 ~ 34.7% at 30 years of age, and 35.32% at 31-35 years of age. 906 cases included 540 censuses and 366 outpatients. The prevalence of Uighurs is higher than Han nationality. The author made detailed inquiries and records about the possible causes and causes of chloasma, such as trauma, gynecological diseases, contraception, tuberculosis, history of hepatitis, history of alcohol consumption, incidence or aggravation of pregnancy, and the season. And may be related to the tests were examined, such as vaginal epithelial smear, plasma copper and ceruloplasmin examination, three liver function and HBsAg examination. Chloasma etiology in general