Results 41 to 50 of about 10,309 (162)

螺旋 CT诊断肺癌纵隔淋巴结转移判定标准的研究

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2002
【目的】为螺旋 CT 诊断肺癌区域淋巴结转移寻找更合理的判定标准。【方法】运用二项分类 Logistic 回归分析统计学方法对 43例施行了肺叶或全肺切除加系统性胸内淋巴结清扫术的原发性支气管肺癌患者行术前螺旋CT 和术后病理学相关性对照研究。【结果】经四 步筛选过程,先后删除协变量 V5(年龄)、V6(病理类型)、V2(淋巴结最大横截面CT 值)、V4(淋巴结短径) ,最终保留在模型中的协变量为 V1 ( CT 有无可见区域淋巴结)和 V3(淋巴结最大横截面积)。【结论 ...
钟文昭   +4 more
doaj  

Expression and Clinical Relevance of uPA and ET-1 in Non-small Cell Lung Cancer [PDF]

open access: yes, 2011
Background and objective uPA and ET-1 proteins have been reported to be up-regulated in some of human cancers. The aim of this study is to investigate the alteration and clinical relevance of uPA and ET-1 protein levels in non-small cell lung cancer ...
Boshi WANG   +7 more
core  

术中前哨淋巴结定位及CK-20检测淋巴结微转移在结肠癌患者中的临床意义

open access: yesZhongguo shiyan zhenduanxue, 2009
目的探讨提高结肠癌患者区域淋巴结阳性检出率的方法及其临床意义。方法对48例行根治性手术的结肠癌患者前哨淋巴结(SLN)进行了术中染料法定位检测,使结肠癌系膜前哨淋巴结染色并统计淋巴结数目,同时行抗细胞角蛋白20(CK20)免疫组化检查,检测其微转移情况。结果48例患者中有46例发现SLN,检出率95.8%。93.8%(45/48)的患者的前哨淋巴结能准确地预测其引流区域淋巴结受累情况;假阴性1例,假阴性率5.0%(1/20)。6例患者的前哨淋巴结中包含的微转移灶或单个癌细胞转移被常规HE染色遗漏 ...
王斌, 于侠
doaj  

Clinical Application of Adjuvant Treatment after Operation in Patients with Stage IIIa Non-small Cell Lung Cancer [PDF]

open access: yes, 2010
Background and objective The efficacy of complete resection of the cancer for patients with stage IIIa non-small cell lung cancer (NSCLC) is limited. Synthetic therapy is taken the lead in advocating at present.
Bin ZHANG, Xia ZHANG, Yajie GAO
core  

纳米炭在结直肠癌手术中的应用进展

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2023
结直肠癌是目前发病率和死亡率最高的恶性肿瘤之一,术后检出足够多的淋巴结对获得准确的结直肠癌分期至关重要。纳米炭是一种新型淋巴示踪剂,具有淋巴系统趋向性、安全性、长效性等优势,能够准确定位肿瘤、示踪区域淋巴结,协助确定淋巴清扫范围,降低手术难度,保留更多肠管,提高术后淋巴结检出数目,减少手术时间及住院时间,因此在结直肠癌手术中得到了广泛应用。本文介绍了纳米炭示踪淋巴结的原理、优势及其在结直肠手术中的应用效果,并进一步探讨其未来的研究方向。
计宏立, 严俊
doaj  

DCE-MRI定量灌注参数鉴别直肠癌区域淋巴结良恶性的初步探讨

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2017
【目的】采用DCE-MRI定量灌注参数评价直肠癌区域淋巴结,以探究各参数鉴别良恶性淋巴结的临床应用价 值。【方法】收集本院2015年1月至2016年8月行术前DCE-MRI扫描且未经新辅助治疗行直肠癌根治术患者122例,纳入 术前DCE-MRI与术后病理相对应淋巴结203枚(阳性95枚,阴性108枚),测量各淋巴结短径(S)、长径(L)并计算二者比值 (S/L),测算各淋巴结定量灌注参数,包括对比剂容积转换常数(K trans )、速率常数(K ep )、单位体积组织细胞外血管外间隙容量 (V ...
杨心悦   +5 more
doaj  

The Expressions of IL-7 and IL-7R and the Relationship between them with Lymph Node Metastasis and Prognosis in Non-small Cell Lung Cancer [PDF]

open access: yes, 2010
Background and objective It has been proven that lymph node metastasis was closely related to prognosis of lung cancer. Interleukin-7 (IL-7) and interleukin-7 receptor (IL-7R) could promote lymph node metastasis through vascular endothelial growth factor-
Jian MING   +4 more
core  

肾上腺区局灶型Castleman病1例临床分析并文献复习

open access: yesZhongguo shiyan zhenduanxue, 2019
Castleman病(Castleman disease,CD)是一种原因未明的、罕见的淋巴组织异常增生性疾病,1954年该病由Castleman等人首次正式提出,故以其命名[1]。又称为血管滤泡性淋巴结增生,巨大淋巴结增生等。该病临床上根据淋巴结受累范围主要分为局灶型(localized CD,LCD)及多中心型(multicentric CD,MCD),LCD呈单个淋巴结无痛性、缓慢肿大,以浅表淋巴结及纵隔淋巴结最为多见。MCD大多出现显著性多个部位淋巴结肿大。而于肾上腺区者罕见,临床工作中易误诊 ...
林禹帆   +4 more
doaj  

DNA Methylation and Non-small Cell Lung Cancer [PDF]

open access: yes, 2010
Genomic DNA methylation is a major form of epigenetic modification. Hypermethylation could affect the binding of transcription factors to DNA and change the structure of chromatin resulting in silence of tumor suppressor genes, which plays an important ...
Longbang CHEN, Youwei ZHANG
core  

陈旧性肺结核对非小细胞肺癌患者CT临床N分期的影响

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2012
【目的】通过对比分析合并陈旧性肺结核的非小细胞肺癌患者以CT为基础的淋巴结临床分期(N分期)和术后病理分期,探讨陈旧性肺结核对CT临床N分期的影响?【方法】 回顾性分析2007年10月至2010年8月在本中心接受根治性手术治疗的73 例合并陈旧性肺结核的非小细胞肺癌患者临床资料,对比CT临床N分期和术后病理分期的符合程度;并对CT常规所用的以形态学为主的预测指标(淋巴结直径?肿大淋巴结站数?淋巴结有无融合?淋巴结有无钙化)能否预测肺门纵隔淋巴结转移进行χ2 检验?【结果 ...
佘科霖   +4 more
doaj  

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