- 1、本文档共36页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
Bronchogenic Carcinoma(Lung Cancer) Respiratory department Definition Bronchogenic carcinoma refers to the malignant tumor which grows in the bronchus. Originating from mucus or gland of bronchus. Incidence and mortality Bronchogenic carcinoma has increased remarkable in incidence and mortality during half of the century and has become the most frequent visceral malignant diseases of men.The mortality of lung cancer hold the first place among all kinds carcinomas. Etiology The cause of lung cancer is unknown.It is believed that there are following related factors. 1. Excessive cigarette smoking:Smoking index(Brinkman Index) is equal to cigarettes per day ?smoking time(years). Passive smoking is also a carcinogen factor. Etiology 2.Atmospheric pollution.It was found that carcinogenic factor is benzpyrene . 3.Occupational factors. 4Radioactivity in the atmosphere . 5.Diets and Nutrition. 6.Chronic irritation. 7.Genetic factors. Pathology And Classification 1. According to the position of tumor arising from ,it can be divided into two types . Central type:Tumor arises from main bronchus, lobar and segmental bronchus . Peripheral type : Tumor arises beyond segmental bronchus . Pathology And Classification 2.According to cytology,it is convenient to classify into four kinds of types. (1).Squamous cell carcinoma. (2).Small cell anaplastic carcinoma. (3).Large cell anaplastic carcinoma. (4).Adenocarcinoma(including alveolar cell carcinoma). Pathology And Classification According to the different principles of management,it is divided into two types. SCLC:small cell lung carcinoma. NSCLC:non small cell lung carcinoma. Clinical features There are no symptoms of early lung cancer in some patients. Symptoms caused by lung cancer are non-specific:perhaps an audible wheeze or a slight cough,symptoms of infection (fever ,purulent sputum) , of obstruction (wheezing,dyspnea), or ulceration of bronchial mucosa (hemoptysis). Clinical features 1.Respiratory symptoms
您可能关注的文档
最近下载
- 人教版英语八年级上Unit3整单元课件(共190张ppt).ppt
- 茶叶加工工(高级、三级)理论考试复习题库(含答案).docx
- 数据通信基础认知—数据通信系统的基本概念.pptx
- 2024年宠物食品行业分析报告:从零食到主粮,从代工依赖到海内外均衡发展.pdf
- 床上用品供货及售后服务方案.docx VIP
- 一种双偏振雷达降水优化反演方法.pdf VIP
- 亲子农场体验园设计.pptx
- 刘京焕财政学模拟测试题.doc VIP
- 荣威-360-产品使用说明书-荣威360PLUS 1.5L 自动尊享版-CSA7154ADAC-荣威360用户手册-2018.7.11.pdf
- 财政学原理刘京焕陈志勇李景友第十章节.ppt
文档评论(0)