版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
1、Thyroid CancerShuguang Hospital General Surgery VINCENT RaoTHYROID CANCER 3 what to do with it? TREATMENT 4 HOW BAD IS IT? PROGNOSIS 1 where is it? ANATOMY 2 why did it happen? ETIOLOGY 1.Apperance: the largest endocrine glands:butterfly-shaped of two side lobes connected by isthmus .2.Location:belo
2、w the thyroid cartilage,around larynx and trachea。 5 cm long, 3 cm wide and 2 cm thick。top to the middle of thyroid cartilage ,down to the fifth or sixth tracheal ring。 THYROID ANATOMYFrom skin to thyroid:skin superficial fascia(platysma) superficial layer of deep fascia infrahyoid musclesPretrachea
3、l fasciathyroid THYROID ANATOMY 3.Nerves and vessels (both coupled):2 nerves :superior laryngeal nerve + recurrent laryngeal nerve.2 arterys:superior and inferior thyroid arterys3 veins:superior 、middle and inferior thyroid veins.4.Lymphatic drainage: knowing the way how throid cancer cell transfers
4、 is the foundation to lymphadenectomy . THYROID ANATOMYDiagram of cervical lymph node levelsLevel IA : bounded by anterior belly and hyoid bone.Level IB : bounded by the anterior and posterior bellies and the mandible. Level VI (Central compartment lymph nodes):bounded by hyoid bone , the common car
5、otid arteries and the sternum .Although level VI is large in area, the few lymph nodes that it contains are mostly in the paratracheal regions near the thyroid gland.Level VII:superior mediastinum lymph nodes.Diagram of cervical lymph node levelsLevel V: posterior triangle of neckLevel II: bounded b
6、y skull base, stylohyoid muscle, hyoid bone horizontal line and posterior edge of the sternocleidomastoid muscle.Level III :begins at the inferior edge of level II and is bounded by the laryngeal strap muscles anteriorly, by the posterior border of the sternocleidomastoid muscle posteriorly, and by
7、a horizontal plane extending posteriorly from the inferior border of the cricoid cartilage.Level IV :begins at the inferior border of level III and is bounded anteriorly by the strap muscles, posteriorly by the posterior edge of the sternocleidomastoid muscle, and inferiorly by the clavicle.lymph no
8、de metastases of Thyroid cancerStudy shows that :VI is often the first level The second is level III、IVLevel VII、II、V、I is not frequent .THYROID CANCER 3 what to do with it? TREATMENT 4 HOW BAD IS IT? PROGNOSIS 1 where is it? ANATOMY 2 why did it happen? ETIOLOGY ETIOLOGYBased on classification :Pap
9、illary thyroid cancer (75% to 85% of cases ) often in young females excellent prognosis. relevant to radiotherapy ,TSH,excessive iodine intake.Follicular thyroid cancer (10% to 20% of cases ) occasionally seen in patients with Cowden syndrome.relevant to iodine deficiency.Medullary thyroid cancer (5
10、%10 to 8% of cases) cancer of the parafollicular cells,relevant to gene.Anaplastic thyroid cancer (Less than 5%10) It is not responsive to treatment and can cause pressure symptoms,could DIE quickly.THYROID CANCER 3 what to do with it? TREATMENT 4 HOW BAD IS IT? PROGNOSIS 1 where is it? ANATOMY 2 wh
11、y did it happen? ETIOLOGY DiagnosisTreatmentDIGNOSIS:1.Any throid mass having the following conditions should be considered malignant.General condition :children(50%) ;male(increased rate); femal (over 60 or under 30). Symptom Sign:painless ;small and hard and fixed solitary nodule;rapid growth(Omin
12、ous sign). Accessory examination:calcification;enlargement of neck lymph nodes.2.Gold standard:pathological examination( fine-needle aspiration biopsy (FNAB).DiagnosisTreatmentTreatmentLet General Surgeons do their jobs.The surgical methods differ from cancer types and lymphatic metastasis .surgical methodType of cancer cellLymphatic metastasisCentral lymph node dissection functional neck dissectionmodified radical neck dissection(MRND)radical neck dissection(RND)Thyroidectomy DiagnosisTreatmentTHYROID CANCER 3 what to do with it? TREATMENT 4 HOW BAD IS IT? PROGNOSIS 1 wh
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 酒馆相关行业公司成立方案及可行性研究报告
- 提供气候变化方面的科学信息相关行业项目操作方案
- 电气工程学行业发展方向及匹配能力建设研究报告
- 智能网联汽车行业商业机会挖掘与战略布局策略研究报告
- LED照明相关行业项目操作方案
- 团购车合同协议书
- 不签前期物业合同范本
- 委托律师清欠合同协议书
- 二抵合同范本
- 光伏总包合同范本
- 钣金报价计算表(强)
- 离心式压缩机功率公式
- 注塑产品全自动报价表
- 加油卡业务简明手册
- 《中国痤疮治疗指南》解读(完整版)
- 三相异步电机参数表
- 在清理拖欠民营企业中小企业账款工作推进会议上的讲话材料(精编版)
- 人教PEP五年级上册英语《Unit 3 Let‘s spell 》课件
- 新视野第三版第二册Unit-3完整版
- 完整版)人教版pep五年级上下册英语课文及翻译
- 松下机器人操作手册
评论
0/150
提交评论