{"countAll":0,"orderType":null,"readLevel":"0","lyTopicReq":{"id":"1591","isDel":0,"createAt":0,"createBy":null,"createName":null,"updateAt":0,"updateBy":null,"updateName":null,"userId":null,"title":null,"content":null,"barId":"1591","topicTypeId":null,"topicThemeId":"1026","readLevel":0,"files":null,"clickNoLikeCount":0,"clickLikeCount":0,"clickCount":0,"score":0,"partCount":0,"replayCount":0,"publishStatus":0,"publishTime":0,"isCream":null,"canReply":0,"shareUrl":null,"foodCouponVal":0,"emailNotice":0,"permission":0,"zlyShare":0,"status":0,"sort":0,"highlight":0,"highlightEffectTime":0,"digest":0,"digestEffectTime":0,"top":0,"topEffectTime":0,"closed":0,"stamp":0,"icon":0,"bgcolor":null,"fontcolor":null,"favtimes":0,"isAdopt":0,"adoptId":null,"sortDate":0,"metaSearch":null,"rn":null},"lyBarModerators":{"list":[],"list4Map":null,"pageBegin":0,"pageSize":8,"pageNumber":0,"totalPage":0,"totalRow":0},"metaSearch":{"description":"为您提供:甲状腺癌怎么引起的_甲状腺癌的病因_甲状腺癌最常见病因等相关信息，让病友在便捷的求医路上不花一分冤枉钱。","keywords":"甲状腺癌怎么引起的_甲状腺癌的病因_甲状腺癌最常见病因","title":"甲状腺癌怎么引起的_甲状腺癌的病因_甲状腺癌最常见病因","channels":null},"data":{"list":[{"id":"11220","isDel":0,"createAt":1516169819295,"createBy":"db869ccaaef711e7a3d800163e04584d","createName":"海绵宝宝","updateAt":0,"updateBy":null,"updateName":null,"userId":"db869ccaaef711e7a3d800163e04584d","title":"诱发甲状腺癌的原因有哪些  看专家分析","content":"<p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><br/></p><p style=\"margin-right: 0px; margin-left: 0px; text-indent: 32px; text-align: center; line-height: 200%;\"><img src=\"http://01luntan.com/ly_img/uimgs/1516170630644.jpg\" title=\"诱发甲状腺癌的原因有哪些  看专家分析\" alt=\"诱发甲状腺癌的原因有哪些  看专家分析\" width=\"600\" height=\"372\"/></p><p style=\"margin-right: 0px; margin-left: 0px; text-indent: 32px; line-height: 200%;\"><br/></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">找良网</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">专家介绍：甲状腺癌目前虽说不是最为常见的一种恶性肿瘤，但其发病率却是逐年升高，目前是各种恶性肿瘤发病率增长最快的疾病，</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">经常在电视剧中看到一些女性得了肿瘤或者癌症的一些悲剧，为了这些悲剧少发生，有病就及时医院诊治，不要积累成多。</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\"><span style=\"font-family:宋体\">根据相关统计，每年增长率达到了</span>6％。目前处于女性恶性肿瘤的第5位，</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">下面看找良网的专家为大家解析</span><strong><span style=\"font-family: 宋体;line-height: 200%;font-size: 16px\">诱发甲状腺癌的原因有哪些</span></strong><span style=\";font-family:宋体;line-height:200%;font-size:16px\">呢？</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">诱发甲状腺癌的原因有哪些</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">一、内在因素</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">甲状腺癌</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">一般给家里父母有病史的遗传有很大的关系</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\"><span style=\"font-family:宋体\">。特别是甲状腺髓样癌，约</span>10％有明显的家族史，推测这类癌的发生可能与染色体遗传因素有关。</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">二、外在因素</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">1、放射性损伤：用X线照射实验鼠的甲状腺能促使动物发生甲状腺癌实验证明，能使甲状腺细胞的代谢发生变化细胞核变形甲状腺素的合成大为减少，可见放射线方面引起甲状腺细胞的异常分裂导致癌变;另方面使甲状腺破坏而不能产生内分泌素，由此引起的促甲状腺激素(TSH)大量分泌也能促发甲状腺细胞癌变。</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">根据医学现在</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">在临床上很多事实说明甲状腺的发生与放射线的作用有关，特别令人注意的是在婴幼期曾因胸腺肿大或淋巴腺样增殖而接受上纵隔或颈部放射治疗的儿童，尤易发生甲状腺癌，这是因为儿童和少年的细胞增殖旺盛，放射线是种附加刺激，易促发其肿瘤的形成，成人接受颈部放射治疗后发生甲状腺癌的机会则不多见。</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">2、碘和TSH 摄碘过量或缺碘：碘和TSH 摄碘过量或缺碘均可使甲状腺的结构和功能发生改变，相反高碘饮食也易诱发甲状腺癌，冰岛和日本是摄碘量最高的国家，其甲状腺癌的发现率较其他国家高。这可能与TSH刺激甲状腺增生的因素有关，实验证明长期的TSH刺激能促使甲状腺增生形成结节和癌变。</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">3、其他甲状腺病变：临床上有甲状腺癌，甲状腺炎，结节性甲状腺肿或某些毒性甲状腺肿发生癌变的报道，但这些甲状腺病变与甲状腺癌的关系尚难肯定。如甲状腺癌由腺瘤转变而成则绝大多数应为滤泡型，而实际上甲状腺癌半数以上为服头状癌推测甲状腺腺瘤癌变的发生率也是很小的。</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">其实，</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">再现在医学上</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">甲状腺癌的发病因素还不是非常的明确，</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">这只是专家的一些观点，以上找良网专家说的</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">几点是可能性高危病因，尤其</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">在平常生活中饮食不注意含碘高的话</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">，这是</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">找良网专家明确的一个引诱</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">甲状腺癌的</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">病情之一</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">，因此，</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">找良网专家温馨提示您</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">建议</span><span style=\";font-family:宋体;line-height:200%;font-size:16px\">您在平常生活饮食中一定要注意一点。以免引起一些并发症的出现。</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">找良网专家温馨提示您：祝您早日康复！</span></p><p><br/></p>","barId":"1591","topicTypeId":"1","topicThemeId":"1026","readLevel":0,"files":"","clickNoLikeCount":0,"clickLikeCount":0,"clickCount":1225,"score":0,"partCount":0,"replayCount":0,"publishStatus":1,"publishTime":1516169819297,"isCream":0,"canReply":0,"shareUrl":null,"foodCouponVal":1,"emailNotice":0,"permission":0,"zlyShare":0,"status":0,"sort":0,"highlight":0,"highlightEffectTime":0,"digest":0,"digestEffectTime":0,"top":0,"topEffectTime":0,"closed":0,"stamp":0,"icon":0,"bgcolor":null,"fontcolor":null,"favtimes":0,"isAdopt":0,"adoptId":null,"sortDate":1516169819297,"metaSearch":null,"rn":0,"barTitle":null,"checkcode":null,"forumUser":{"id":"db869ccaaef711e7a3d800163e04584d","isDel":0,"createAt":1507776522121,"createBy":null,"createName":null,"updateAt":0,"updateBy":null,"updateName":null,"username":"海绵宝宝","password":"hgs1990623110","level":0,"nickName":"张宝宝","realName":null,"signName":"找良医网","head":null,"phone":null,"mobile":null,"wechat":null,"qq":null,"email":"573253266@qq.com","address":null,"identityType":5,"userType":2,"isPhoneBind":0,"status":0,"accountSource":0,"isStrangerMsg":0,"departmentId":null,"departmentName":null,"sex":2,"provinceId":"110000","cityId":"110114","userLevel":0,"modifyNameCount":1},"lyTopicReply":null,"createAtStr":null,"lyBar":null,"lyTopic":null},{"id":"8676","isDel":0,"createAt":1512367449214,"createBy":"db869ccaaef711e7a3d800163e04584d","createName":"海绵宝宝","updateAt":0,"updateBy":null,"updateName":null,"userId":"db869ccaaef711e7a3d800163e04584d","title":"你知道甲状腺癌的早期信号吗","content":"<p style=\"margin-right: 0px; margin-left: 0px; text-indent: 32px; text-align: center; line-height: 200%;\"></p><p style=\"margin-right: 0px; margin-left: 0px; text-indent: 32px; text-align: center; line-height: 200%;\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;<img src=\"http://01luntan.com/ly_img/uimgs/1512367443723.jpg\" title=\"你知道甲状腺癌的早期信号吗\" alt=\"你知道甲状腺癌的早期信号吗\" width=\"600\" height=\"372\"/></span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">对于甲状腺癌的早期信号，很多患者都不了解，甲状腺癌是人们最常见的恶性肿瘤之一，甲状腺癌是危害人们健康的主要恶性肿瘤，全世界每年约有一百多万人患有甲状腺癌，给人们的生活造成了很大的影响，那么，甲状腺癌的早期信号有什么呢？</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">甲状腺癌的早期信号有以下几点：</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">1、肿块形成，这时如果留心就会看到突起部分，在大部分情况下触诊会更为明显。如果是儿童或男性发现甲状腺肿块，应高度怀疑有癌症可能。特别是甲状腺肿块增长较快，检查肿物其表面不光滑，质地坚硬，吞咽时活动度减小，或多年存在的甲状腺结节，短期内明显增大。</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">2、声音沙哑，当癌肿压迫或侵入支配声带运动的神经时，患者发音就会出现异常。</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">3、吞咽困难，大约15%左右的患者会出现因癌肿压迫食道而造成的吞咽困难。进一步发展，患者还可能出现吞咽痛等不适感觉。</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">4、颈部痛，少数患者还会感到颈部压迫感，或伴有疼痛。</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">5、呼吸困难，如果癌肿压迫气管，患者呼吸时气流阻力加大，会表现出呼吸费力。</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:32px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\";font-family:宋体;line-height:200%;font-size:16px\">对于甲状腺癌的早期信号有什么呢这个问题，目前针对甲状腺癌的治疗方法有很多种，但是很多疗法却没有起到很好的效果，耽误了患者的治疗时机，导致病情更加严重。</span></p><p><br/></p>","barId":"1591","topicTypeId":"1","topicThemeId":"1026","readLevel":0,"files":"","clickNoLikeCount":0,"clickLikeCount":0,"clickCount":1057,"score":0,"partCount":0,"replayCount":0,"publishStatus":1,"publishTime":1512367449216,"isCream":0,"canReply":0,"shareUrl":null,"foodCouponVal":1,"emailNotice":0,"permission":0,"zlyShare":0,"status":0,"sort":0,"highlight":0,"highlightEffectTime":0,"digest":0,"digestEffectTime":0,"top":0,"topEffectTime":0,"closed":0,"stamp":0,"icon":0,"bgcolor":null,"fontcolor":null,"favtimes":0,"isAdopt":0,"adoptId":null,"sortDate":1512367449216,"metaSearch":null,"rn":0,"barTitle":null,"checkcode":null,"forumUser":{"id":"db869ccaaef711e7a3d800163e04584d","isDel":0,"createAt":1507776522121,"createBy":null,"createName":null,"updateAt":0,"updateBy":null,"updateName":null,"username":"海绵宝宝","password":"hgs1990623110","level":0,"nickName":"张宝宝","realName":null,"signName":"找良医网","head":null,"phone":null,"mobile":null,"wechat":null,"qq":null,"email":"573253266@qq.com","address":null,"identityType":5,"userType":2,"isPhoneBind":0,"status":0,"accountSource":0,"isStrangerMsg":0,"departmentId":null,"departmentName":null,"sex":2,"provinceId":"110000","cityId":"110114","userLevel":0,"modifyNameCount":1},"lyTopicReply":null,"createAtStr":null,"lyBar":null,"lyTopic":null},{"id":"7977","isDel":0,"createAt":1511235000110,"createBy":"e8f7486fbba411e7a3d800163e04584d","createName":"1516932689@qq.com","updateAt":1524284439598,"updateBy":"e8f7486fbba411e7a3d800163e04584d","updateName":"1516932689@qq.com","userId":"e8f7486fbba411e7a3d800163e04584d","title":"甲状腺癌的常见病因有哪些","content":"<p style=\"text-indent: 28px; padding: 0px; line-height: 200%; text-align: left;\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)\"><span style=\"font-family:宋体\"></span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)\"><span style=\"font-family:宋体\">之前甲状腺癌在国内发病率是比较低的。但是最近年来的发病有上升趋势。发病年龄在</span>20岁以后明显上升趋势，30-34岁达高峰，大年龄达到54岁后明显下降。那么</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)\"><span style=\"font-family:宋体\">，</span></span><strong><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)\"><span style=\"font-family:宋体\">甲状腺癌的常见病因</span></span></strong><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)\"><span style=\"font-family:宋体\">有哪些呢？</span></span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)\"><span style=\"font-family:宋体\">下面我们一起来了解一下。</span></span></p><p style=\"text-indent: 28px; padding: 0px; line-height: 200%; text-align: left;\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)\"><span style=\"font-family:宋体\"></span></span><br/></p><p style=\"text-indent: 28px; padding: 0px; line-height: 200%; text-align: center;\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)\"><span style=\"font-family:宋体\"><img src=\"http://01luntan.com/ly_img/uimgs/1511235811268.png\" title=\"甲状腺癌的常见病因有哪些\" alt=\"甲状腺癌的常见病因有哪些\" width=\"600\" height=\"372\"/></span></span></p><p style=\";text-indent: 28px;padding: 0;line-height: 200%\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)\"><span style=\"font-family:宋体\"><br/></span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:32px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">1、</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">癌基因</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">多种核原癌基因，留存在甲状腺滤泡细胞中，对细胞生长、分化起重要作用。正常基因过渡表达，变更基因表达，以及抑制基因的丧失及癌基因扩增，这些均可促使细胞恶变发生恶性肿瘤。</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:32px;text-indent:0;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:32px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">2、</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">生长因子</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">比如促甲状腺激素、类胰岛素生长因子、转化生长因子等因素的影响。甲状腺乳头状癌细胞中分离出</span>ptc癌基因。</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:32px;text-indent:0;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:32px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">3、</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">电离辐射</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">X线较碘131更具致癌作用，致癌机理是放射线诱导细胞突变促进生长，在亚致死量下可杀灭部分细胞减少TH分泌，反馈到垂体促甲状腺细胞增加TSH产生，促进具有潜伏恶性细胞增殖、癌变。放射线是致甲状腺癌的因素，己经广为接受。</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:32px;text-indent:0;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:32px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">4、</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">缺碘</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">与甲状腺肿瘤的发生，关系尚不明确。甲状腺癌不仅在地方性甲状腺肿地区多发，沿海高碘地区亦较常发生。甲状腺肿地区多为滤胞癌，部分为间变癌，高碘地区多为乳头状癌。</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:32px;text-indent:0;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:32px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">5、</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">家族因素</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">具有一定的遗传倾向，有</span>3.5-6.2%同患甲状腺癌的可能性。</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:32px;text-indent:0;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:32px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">6、</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">女性激素</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">甲状腺的生长受</span>TSH支配，对甲状腺癌起促进作用。甲状腺乳头状癌组织中有高含量女性激素受体的存在，女性激素有可能作为致癌因素之一。</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:32px;text-indent:0;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:32px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">7、</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">其他</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">甲状腺增生疾病，如腺瘤样甲状腺肿、功能亢进性甲状腺肿，分别约有</span>5%、2%合并甲状腺癌。多年生长甲状腺瘤，少部分可以发生癌变。</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:28px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\"font-family: 宋体;line-height: 200%;font-size: 16px\"><span style=\"font-family:宋体\">找良医网温馨提示：以上就是关于甲状腺癌的常见病因有哪些</span></span><span style=\"font-family: 宋体;line-height: 200%;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)\"><span style=\"font-family:宋体\">的</span></span><span style=\"font-family: 宋体;line-height: 200%;font-size: 16px\"><span style=\"font-family:宋体\">介绍，相信大家也应该有一定的了解了，希望各位定期做身体检查，养成良好的生活饮食习惯，形成健康的作息规律，千万不可忽视生活中的小细节。如有身体不适请及时到医院就诊，早日查清病况及早治疗，以免延误治疗。最后，祝愿大家身体健康！</span></span></p><p style=\";text-indent: 28px;padding: 0;line-height: 200%\"><br/></p>","barId":"1591","topicTypeId":"1","topicThemeId":"1026","readLevel":1,"files":"[]","clickNoLikeCount":0,"clickLikeCount":0,"clickCount":1069,"score":0,"partCount":0,"replayCount":0,"publishStatus":1,"publishTime":1511235000111,"isCream":0,"canReply":0,"shareUrl":null,"foodCouponVal":1,"emailNotice":0,"permission":0,"zlyShare":0,"status":0,"sort":0,"highlight":0,"highlightEffectTime":0,"digest":0,"digestEffectTime":0,"top":0,"topEffectTime":0,"closed":0,"stamp":0,"icon":0,"bgcolor":null,"fontcolor":null,"favtimes":0,"isAdopt":0,"adoptId":null,"sortDate":1511235000111,"metaSearch":null,"rn":0,"barTitle":null,"checkcode":null,"forumUser":{"id":"e8f7486fbba411e7a3d800163e04584d","isDel":0,"createAt":1509170261557,"createBy":null,"createName":null,"updateAt":0,"updateBy":null,"updateName":null,"username":"王可可","password":"wrj123123","level":0,"nickName":"搁浅","realName":null,"signName":"总有一天你的努力会收获","head":"http://01luntan.com/ly_img/1520299822787.jpg","phone":null,"mobile":null,"wechat":null,"qq":null,"email":"1516932689@qq.com","address":null,"identityType":7,"userType":2,"isPhoneBind":0,"status":0,"accountSource":0,"isStrangerMsg":0,"departmentId":null,"departmentName":null,"sex":1,"provinceId":"110000","cityId":"","userLevel":0,"modifyNameCount":1},"lyTopicReply":null,"createAtStr":null,"lyBar":null,"lyTopic":null},{"id":"7975","isDel":0,"createAt":1511234373783,"createBy":"e8f7486fbba411e7a3d800163e04584d","createName":"1516932689@qq.com","updateAt":1524284240934,"updateBy":"e8f7486fbba411e7a3d800163e04584d","updateName":"1516932689@qq.com","userId":"e8f7486fbba411e7a3d800163e04584d","title":"甲状腺癌发病率较高的原因","content":"<p style=\"text-indent: 28px; padding: 0px; line-height: 200%; background: rgb(255, 255, 255); text-align: left;\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\"></span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">甲状腺癌在目前处于频频高发的状态，对于人们的伤害是非常的严重，人们对甲状腺癌也非常的重视，那么到底</span></span><strong><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">甲状腺癌发病率较高的原因</span></span></strong><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">是什么</span></span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">呢？</span></span></p><p style=\"text-indent: 28px; padding: 0px; line-height: 200%; background: rgb(255, 255, 255); text-align: left;\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\"></span></span><br/></p><p style=\"text-indent: 28px; padding: 0px; line-height: 200%; background: rgb(255, 255, 255); text-align: center;\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\"><img src=\"http://01luntan.com/ly_img/uimgs/1511235286831.png\" title=\"甲状腺癌发病率较高的原因\" alt=\"甲状腺癌发病率较高的原因\" width=\"600\" height=\"372\"/></span></span></p><p style=\";text-indent: 28px;padding: 0;line-height: 200%;background: rgb(255, 255, 255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\"><br/></span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">1、</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">放射性损伤</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">用</span>X线照射实验鼠的甲状腺，能够促使动物发生甲状腺癌。实验证明131Ⅰ能够使甲状腺细胞的代谢发生变化，细胞核变形，甲状腺素的合成大为减少。可见放射线一方面引起甲状腺细胞的异常分裂，导致癌变;另一方面使甲状腺破坏而不能产生内分泌素，由此引起的促甲状腺激素(TSH)大量分泌也能促发甲状腺细胞癌变。在临床上，很多事实说明甲状腺的发生与放射线的作用有关。特别令人注意的是，在婴幼期曾因胸腺肿大或淋巴腺样增殖而接受上纵隔或颈部放射治疗的儿童尤易发生甲状腺癌，这是因为儿童和少年的细胞增殖旺盛，放射线是一种附加刺激，易促发其肿瘤的形成。成人接受颈部放射治疗后发生甲状腺癌的机会则不多见。</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:28px;text-indent:0;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">2、</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">碘和</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">摄碘过量或缺碘均可使甲状腺的结构和功能发生改变。如瑞士地方性甲状腺肿流行区的甲状腺癌发病率为</span>2‰较柏林等非流行高出20倍。相反，高碘饮食也易诱发甲状腺癌，冰岛和日本是摄碘量最高的国家，其甲状腺癌的发现率较其他国家高。这可能与TSH刺激甲状腺增生的因素有关。实验证明，长期的TSH刺激能促使甲状腺增生，形成结节和癌变。</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">3、</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">其他甲状腺病变</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">临床上有甲状腺腺癌、慢性甲状腺炎、结节性甲状腺肿或某些毒性甲状腺肿发生癌变的报道，但这些甲状腺病变与甲状腺癌的关系尚难肯定。以甲状腺腺瘤为例，甲状腺腺瘤绝大多数为滤泡型，仅</span>2～5%为乳头状瘤;如甲状腺癌由腺瘤转变而成，则绝大多数应为滤泡型，而实际上甲状腺癌半数以上为服头状癌，推测甲状腺腺瘤癌变的发生率也是很小的。这是甲状腺癌的发病原因之一。</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">4、</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">遗传因素</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">约</span>5～10%甲状腺髓样癌有明显的家族史，而且往往合并有嗜铬细胞瘤等闰，推测这类癌的发生可能与染色体遗传因素有关。</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:28px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\"font-family: 宋体;line-height: 200%;font-size: 16px\"><span style=\"font-family:宋体\">找良医网温馨提示：以上就是关于甲状腺癌发病率较高的原因</span></span><span style=\"font-family: 宋体;line-height: 200%;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)\"><span style=\"font-family:宋体\">的</span></span><span style=\"font-family: 宋体;line-height: 200%;font-size: 16px\"><span style=\"font-family:宋体\">介绍，希望能对大家有所帮助，希望各位定期做身体检查，如有身体不适请及时到医院就诊，早日查清病况及早治疗，以免延误治疗。最后，祝愿大家身体健康！</span></span></p><p style=\";text-indent: 28px;padding: 0;line-height: 200%;background: rgb(255, 255, 255)\"><br/></p>","barId":"1591","topicTypeId":"1","topicThemeId":"1026","readLevel":1,"files":"[]","clickNoLikeCount":0,"clickLikeCount":0,"clickCount":1094,"score":0,"partCount":0,"replayCount":0,"publishStatus":1,"publishTime":1511234373785,"isCream":0,"canReply":0,"shareUrl":null,"foodCouponVal":1,"emailNotice":0,"permission":0,"zlyShare":0,"status":0,"sort":0,"highlight":0,"highlightEffectTime":0,"digest":0,"digestEffectTime":0,"top":0,"topEffectTime":0,"closed":0,"stamp":0,"icon":0,"bgcolor":null,"fontcolor":null,"favtimes":0,"isAdopt":0,"adoptId":null,"sortDate":1511234373785,"metaSearch":null,"rn":0,"barTitle":null,"checkcode":null,"forumUser":{"id":"e8f7486fbba411e7a3d800163e04584d","isDel":0,"createAt":1509170261557,"createBy":null,"createName":null,"updateAt":0,"updateBy":null,"updateName":null,"username":"王可可","password":"wrj123123","level":0,"nickName":"搁浅","realName":null,"signName":"总有一天你的努力会收获","head":"http://01luntan.com/ly_img/1520299822787.jpg","phone":null,"mobile":null,"wechat":null,"qq":null,"email":"1516932689@qq.com","address":null,"identityType":7,"userType":2,"isPhoneBind":0,"status":0,"accountSource":0,"isStrangerMsg":0,"departmentId":null,"departmentName":null,"sex":1,"provinceId":"110000","cityId":"","userLevel":0,"modifyNameCount":1},"lyTopicReply":null,"createAtStr":null,"lyBar":null,"lyTopic":null},{"id":"7974","isDel":0,"createAt":1511233697540,"createBy":"e8f7486fbba411e7a3d800163e04584d","createName":"1516932689@qq.com","updateAt":1524283896411,"updateBy":"e8f7486fbba411e7a3d800163e04584d","updateName":"1516932689@qq.com","userId":"e8f7486fbba411e7a3d800163e04584d","title":"导致甲状腺癌的因素有哪些","content":"<p style=\"text-indent: 28px; padding: 0px; line-height: 200%; background: rgb(255, 255, 255); text-align: left;\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\"></span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">甲状腺癌是最常见的甲状腺恶性肿瘤，约占全身恶性肿瘤的</span>1%，包括乳头状癌、滤泡状癌、未分化癌和髓样癌四种病理类型。甲状腺癌的发病率相对较低，但是最近几年的发病人数却越来越多，那么</span><strong><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">导致甲状腺癌的因素</span></span></strong><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">有哪些呢？下面我们一起来了解一下。</span></span></p><p style=\"text-indent: 28px; padding: 0px; line-height: 200%; background: rgb(255, 255, 255); text-align: left;\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\"></span></span><br/></p><p style=\"text-indent: 28px; padding: 0px; line-height: 200%; background: rgb(255, 255, 255); text-align: center;\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\"><img src=\"http://01luntan.com/ly_img/uimgs/1511234622994.png\" title=\"导致甲状腺癌的因素有哪些\" alt=\"导致甲状腺癌的因素有哪些\" width=\"600\" height=\"372\"/></span></span></p><p style=\";text-indent: 28px;padding: 0;line-height: 200%;background: rgb(255, 255, 255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\"><br/></span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">1</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">、碘和</span>TSH&nbsp;&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">摄碘过量或缺碘均可使甲状腺的结构和功能发生改变。如瑞士地方性甲状腺肿流行区的甲状腺癌发病率为</span>2ermil；较柏林等非流行高出20倍。相反，高碘饮食也易诱发甲状腺癌，冰岛和日本是摄碘量最高的国家，其甲状腺癌的发现率较其他国家高。这可能与TSH刺激甲状腺增生的因素有关。实验证明，长期的TSH刺激能促使甲状腺增生，形成结节和癌变。&nbsp;&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">2</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">、遗传因素</span>&nbsp;&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">约</span>5～10%甲状腺髓样癌有明显的家族史，而且往往合并有嗜铬细胞瘤等闰，推测这类癌的发生可能与染色体遗传因素有关。&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">3</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">、放射性损伤</span>&nbsp;&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">用</span>X线照射实验鼠的甲状腺，能促使动物发生甲状腺癌。实验证明131Ⅰ能使甲状腺细胞的代谢发生变化，细胞核变形，甲状腺素的合成大为减少。&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">可见放射线一方面引起甲状腺细胞的异常分裂，导致癌变；另一方面使甲状腺破坏而不能产生内分泌素，由此引起的促甲状腺激素（</span>TSH）大量分泌也能促发甲状腺细胞癌变。&nbsp;&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">4</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">、其他甲状腺病变</span>&nbsp;&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">临床上有甲状腺腺癌、慢性甲状腺炎、结节性甲状腺肿或某些毒性甲状腺肿发生癌变的报道，但这些甲状腺病变与甲状腺癌的关系尚难肯定。</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">5、</span><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">性激素</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%;background:rgb(255,255,255)\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\"><span style=\"font-family:宋体\">患者中女性偏多，因此推测甲状腺癌的发生可能与性激素有关。甲状腺承担了重要的生理作用，不仅是存储碘，也是甲状腺激素的分泌来源，与下丘脑、垂体共同构成了一个闭合的激素分泌环。从理论上看，性激素，对于女性来说，是雌激素和孕激素，可能在甲状腺激素的分泌过程中起到了一定作用。调查表明年轻女性的发病率更高，这可能与其在该年临段的雌激素水平较高有关。</span></span></p><p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 ;text-autospace:ideograph-numeric;line-height:200%\"><span style=\"font-family: 宋体;letter-spacing: 0;font-size: 16px\">&nbsp;</span></p><p style=\"margin-right:0;margin-left:0;text-indent:28px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph;line-height:200%\"><span style=\"font-family: 宋体;line-height: 200%;font-size: 16px\"><span style=\"font-family:宋体\">找良医网温馨提示：以上就是关于导致甲状腺癌的因素有哪些</span></span><span style=\"font-family: 宋体;line-height: 200%;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)\"><span style=\"font-family:宋体\">的</span></span><span style=\"font-family: 宋体;line-height: 200%;font-size: 16px\"><span style=\"font-family:宋体\">介绍，希望能对大家有所帮助，希望各位定期做身体检查，如有身体不适请及时到医院就诊，早日查清病况及早治疗，以免延误治疗。最后，祝愿大家身体健康！</span></span></p><p style=\";text-indent: 28px;padding: 0;line-height: 200%;background: rgb(255, 255, 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