彩色多普勒超声评价鼻咽癌颈部转移淋巴结放射治疗的疗效.pdfVIP

. 1555. 李传刚等 影色多普勒趟卢评价鼻。阳帽:IJi!部转移淋巴结放射治疗的疗效 第8 期 彩色多普勒超声评价鼻咽癌颈部转移淋巴结放射治疗的疗效 李传刚 吴凤林李颖嘉孙爱民I (南方医科大学南方医院超声诊断科，广东 广州 510515) [摘 要〕 目的 应用影色多普勒超声分析烛疗前后鼻咽痛颁部转移淋巴结长短径比、内部及周边的血流情况，以此作为制定放疗计划和分析 疗效的依据c 方法 选取53 例鼻酬楠颈部淋巳结转移患者卡放疗前后分别注1i趟卢检查，削bI: 110 个肿大淋巳钻的长短H比(L/S) .~{缩期峰侦I且 流(PSV) 以放阻力指敬(RI) ，并结合血流分割与分级的特点.分析淋巴结消退根l量和1 血流信号情况仍结果 放疗疗手里钻束后，淋巴结完全消溢的占 75.45% (83/110) ， 血流强度为 l 级的占22.73% (25/110) ， 2 级的n 1. 82% (2/110) .3 级血流本见η 残余淋己结始 F推i丘放疗 10 Gy 后.淋巳结内 未见血流!W.示。结论 影色多普勒趟卢可用于观察鼻响痛颈部转格淋巴结放疗前后的血供变化，t-tJIJ Iffr放疗疗效有较高的价值。 〔关键词〕 鼻咽痛:淋巴结转移:放射治疗:影包多普勒超声 〔中国分类号) R739.6 (文献标ì..H码) A (文章编号J 1005-9202(2012)幡-155S .o3 ;doi:l0. 3969/j.1睡且 1005-9202. 2012. 08.ω1 EvaJ uation of color Doppler f10w imaging in the radiotherapy of 四rvical Iymph nod田 metastasis from n翩。phaηng四』四rcinoma LI Chuan-Gang , WU Feng- Lin , LI Ying-Jia. et al. Department of Ultrasound , Southern Hospital Affiliated to Southern Medical University , Guangzhou 510515 , Guangdong , Chlna [ Abstract] 0均创刊 To analyze Ihe ralio of long radius 10 short radiu. (ν5) and inlemal surrounding blood flow of eervicaJ lymph nodes melaslasis from nasopharyngeal carcinoma bef()陀 and afler radiolherapy ，阳描 10 provide rules of radiolherapy plans and curalive effecl Me由ods 53 nasopharyngeal carcinoma palienls we rt studied wilh color Doppler flow imaging( CU Fl) before and after radiotherapy. 币leν5， peak systolic blood flow (PSV) 皿d re.i8tance index (RI) from 110 melaslalic cervical Iymph n叫田 we陀 measured. The regr田­ sion of Iymph nodes and characleristics 01 flow 田，，;nal were analyzed. Results Afler radiotherapy.. complete r.咱ression of Iymph nodes ac- counted for 75. 5% (83/110). Grade 1 of the inlensity of hlood flow aceounted fur 20.0% (22/110). Grade 2 accounled for 4. 5% (51 110