[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f65-g5LTUgHIk8dGZIHhGe2pKpxnfW0g-O4HGxk3yxcs":3,"$fgqOljLaOZfCb5uV4JFMKv8aPFR-nnoHjcTvoa28zAfI":8},{"code":4,"msg":5,"message":6,"data":6,"success":7},401,"认证失败，无法访问系统资源",null,false,{"code":9,"msg":10,"message":6,"data":11,"success":41},200,"操作成功",{"id":12,"name":13,"describes":6,"symptoms":6,"checkup":6,"treatment":6,"seoTitle":14,"seoKeywords":15,"seoDescription":16,"coverVertical":6,"coverAcross":6,"introduceClassifications":17,"departments":38},3176,"药物或化学物质所致的色素沉着"," 药物或化学物质所致的色素沉着症状及治疗方法"," 药物色素沉着, 化学物质色素沉着, 色素沉着原因, 色素沉着治疗, 药物副作用, 色素沉着预防, 皮肤色素沉着"," 了解药物或化学物质所致的色素沉着的症状、原因及治疗方法。探索如何预防和处理由于药物或化学物质引起的皮肤色素沉着问题。",[18,23,28,33],{"id":19,"classification":20,"description":21,"sort":22,"diseaseId":12},159339,"概述","\u003Cp>　　药物或化学物质所致的色素沉着(drug or chemical substance-induced hyperpigmentation)主要是其在体内代谢异常或其在皮肤中沉积所致。\u003C/p>",0,{"id":24,"classification":25,"description":26,"sort":27,"diseaseId":12},159340,"病因","\u003Cp>　　(一)发病原因\u003C/p>\u003Cp>　　病因不明。\u003C/p>\u003Cp>　　(二)发病机制\u003C/p>\u003Cp>　　发病机制还不十分清楚，有以下可能：\u003C/p>\u003Cp>　　1.重金属弥漫的沉积在真皮所引起的皮肤颜色变化。\u003C/p>\u003Cp>　　2.药物在表皮中结合巯基，使酪氨酸酶活化，黑素合成增多，从而影响了黑素的形成和分布，如砷剂引起的色素异常。\u003C/p>\u003Cp>　　3.氯丙嗪等吩噻嗪类药物对人体的黑素有特殊的亲和力。\u003C/p>\u003Cp>　　4.药物与血红蛋白结合形成正铁血红蛋白，从而引起皮肤颜色变化，如氨苯砜。\u003C/p>\u003Cp>　　5.药物过敏引起的皮肤非特异性炎症反应，炎症消退后可引起色素沉着。\u003C/p>",1,{"id":29,"classification":30,"description":31,"sort":32,"diseaseId":12},159341,"症状","\u003Cp>　　常见症状：色素沉着\u003C/p>",2,{"id":34,"classification":35,"description":36,"sort":37,"diseaseId":12},159342,"检查","\u003Cp>　　检查项目：滤过紫外线检查、组织病理\u003C/p>\u003Cp>临床皮肤检查：始为蓝灰色，久成浅紫红色。多见于面、颈、手背等暴露部位，沉着于角膜及晶状体可引起其混浊。硬腭与甲床也有色素沉着。氨酚喹啉可产生弥漫性色素沉着。屈侧明显，巩膜无黄染。角膜与视网膜可有色素沉着而影响视力，且不可逆。\u003C/p>\u003Cp>实验室检查：局部皮肤病理学检查可见色素细胞过度增生。\u003C/p>",3,[39,40],"皮肤科","中西医结合科",true]