结直肠癌不同病理特征患者化疗前后循环肿瘤DNA水平变化及预后预测的列线图模型构建
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<span class="fl">《疑难病杂志》2022年第6期</span>
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<a class="biaoti " target="_blank" href="">结直肠癌不同病理特征患者化疗前后循环肿瘤DNA水平变化及预后预测的列线图模型构建</a>
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<span>作者:李程;闫柯;霍斌亮;李文翰;赵刚;</span>
<span>关键词:结直肠癌;化疗;循环肿瘤DNA;Cox回归模型;列线图模型</span>
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目的 观察结直肠癌不同病理特征患者化疗前后循环肿瘤DNA(ctDNA)水平变化,并构建预后预测的列线图模型。方法 选取2016年4月—2019年9月陕西省人民医院肿瘤外科收治的结直肠癌患者144例作为观察组,同期结直肠良性瘤患者72例作为对照Ⅰ组,健康体检者72例作为对照Ⅱ组。比较3组及观察组不同病理特征患者化疗前后ctDNA水平,随访2年统计观察组患者生存情况,Cox回归模型分析预后危险因素,并构建结直肠癌患者预后预测的列线图模型。结果 ctDNA水平比较,观察组>对照Ⅰ组>对照Ⅱ组,差异均有统计学意义(F/P=229.968/<0.001);结直肠癌患者肿瘤直径>5 cm、分化程度低、浸润深度突破浆膜层、有淋巴结转移、T分期T4化疗前/后ctDNA水平均高于肿瘤直径≤5 cm、中—高分化、浸润深度未突破浆膜层、无淋巴结转移、T分期T1~3者(P<0.05);结直肠癌患者年龄≥50岁、肿瘤直径>5 cm、分化程度低、浸润深度突破浆膜层、有淋巴结转移、T分期T4、化疗前/后ctDNA水平≥142.58/86.59μg/L生存率低(χ2/P=8.259/0.004,4.736/0.030,5.068/0.024,8.210/0.004,8.925/0.003,6.897/0.009,4.154/0.042,5.676/0.017);Cox回归模型分析显示,分化程度、淋巴结转移、T分期、化疗后ctDNA水平均是结直肠癌患者预后的独立影响因素[HR(95%CI)=0.512(0.334~0.786)、5.488(3.485~8.643)、5.843(4.079~8.371)、6.846(4.578~10.238)];以分化程度、淋巴结转移、T分期、化疗后ctDNA水平构建结直肠癌患者预后的列线图模型,一致性指数为0.892,校正曲线分析显示,预测模型预测病死风险与实际病死风险吻合度较高。结论 结直肠癌患者ctDNA水平与病理特征有关;构建ctDNA水平、病理特征预测结直肠癌患者预后的列线图模型具有良好效能,便于指导临床积极完善治疗方案。
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<a class="biaoti " target="_blank" href="">C反应蛋白/白蛋白比值与食管癌微转移及术后复发的关系</a>
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<span>作者:张越;罗洪;杜敏;黄小丽;</span>
<span>关键词:食管癌;微转移;复发;循环肿瘤细胞;上皮细胞黏附分子;C反应蛋白;白蛋白</span>
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目的 分析C反应蛋白(CRP)/白蛋白(Alb)比值与食管癌外周血循环肿瘤细胞(CTC)—上皮细胞黏附分子(EpCAM)阳性率及术后复发的关系。方法 选取2019年2月—2021年2月西部战区总医院肿瘤科收治行胸腔镜根治手术治疗的食管癌患者97例,根据术后随访1年期间是否复发分为复发组47例和未复发组50例,检测2组术前CRP、Alb水平,外周血CTC-EpCAM阳性率。Pearson相关性分析CRP、Alb、CRP/Alb比值与外周血CTC-EpCAM阳性率的相关性;Kaplan-Meier生存曲线分析不同CRP/Alb比值患者生存情况;COX风险比例回归分析影响食管癌术后复发的因素。结果 复发组cTNM分期Ⅲ~Ⅳ期比例、淋巴结转移比例高于未复发组(χ2/P=6.147/0.013、8.594/0.003);CRP、CRP/Alb比值、CTC-EpCAM阳性率高于未复发组,Alb水平低于未复发组[t(χ2/P=6.147/0.013、8.594/0.003);CRP、CRP/Alb比值、CTC-EpCAM阳性率高于未复发组,Alb水平低于未复发组[t(χ2)/P=21.908/<0.001、16.179/<0.001、9.854/<0.001、15.657/<0.001]。CRP、CRP/Alb比值与CTC-EpCAM阳性率呈正相关(r=0.512、0.679,P均<0.001),Alb与CTC-EpCAM阳性率呈负相关(r=-0.496,P<0.001)。高CRP/Alb比值患者无复发生存率低于低CRP/Alb比值患者(χ2)/P=21.908/<0.001、16.179/<0.001、9.854/<0.001、15.657/<0.001]。CRP、CRP/Alb比值与CTC-EpCAM阳性率呈正相关(r=0.512、0.679,P均<0.001),Alb与CTC-EpCAM阳性率呈负相关(r=-0.496,P<0.001)。高CRP/Alb比值患者无复发生存率低于低CRP/Alb比值患者(χ2=4.516,P<0.001)。CTC-EpCAM阳性率高、CRP/Alb比值高是食管癌术后复发的危险因素[OR(95%CI)=2.821(1.725~4.613)、1.956(1.361~2.811)]。结论 高CRP/Alb比值与食管癌微转移及术后复发有关。
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<a class="biaoti " target="_blank" href="">2021版《中华医学会肿瘤学分会肺癌临床诊疗指南》非小细胞肺癌诊疗更新专家解读</a>
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<span>作者:邢力刚;马晓林;</span>
<span>关键词:非小细胞肺癌;诊疗指南;专家解读</span>
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<正>2021版《中华医学会肿瘤学分会肺癌临床诊疗指南》(简称“2021版指南”)在2019版“指南”的基础上做出了若干重要更新及调整([1])。该指南为规范中国肺癌的防治措施、提高医务人员的诊疗水平、改善患者的预后提供了非常好的意见和建议。笔者结合新指南形成背景及亮点对“2021版指南”中非小细胞肺癌(non-small cell lung cancer,NSCLC)诊疗部分更新进行解读。1分子病理学检测基本原则:(1)所有含腺癌成分的NSCLC,除常规行表皮生长因子受体(EGFR)、碱性磷酸酶(ALK)、活性氧(ROS1)检测(1B改为2A推荐证据)外,增加转染重排(RET)检测。
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</html>目的 观察结直肠癌不同病理特征患者化疗前后循环肿瘤DNA(ctDNA)水平变化,并构建预后预测的列线图模型。方法 选取2016年4月—2019年9月陕西省人民医院肿瘤外科收治的结直肠癌患者144例作为观察组,同期结直肠良性瘤患者72例作为对照Ⅰ组,健康体检者72例作为对照Ⅱ组。比较3组及观察组不同病理特征患者化疗前后ctDNA水平,随访2年统计观察组患者生存情况,Cox回归模型分析预后危险因素,并构建结直肠癌患者预后预测的列线图模型。结果 ctDNA水平比较,观察组>对照Ⅰ组>对照Ⅱ组,差异均有统计学意义(F/P=229.968/5 cm、分化程度低、浸润深度突破浆膜层、有淋巴结转移、T分期T4化疗前/后ctDNA水平均高于肿瘤直径≤5 cm、中—高分化、浸润深度未突破浆膜层、无淋巴结转移、T分期T1~3者(P5 cm、分化程度低、浸润深度突破浆膜层、有淋巴结转移、T分期T4、化疗前/后ctDNA水平≥142.58/86.59μg/L生存率低(χ2/P=8.259/0.004,4.736/0.030,5.068/0.024,8.210/0.004,8.925/0.003,6.897/0.009,4.154/0.042,5.676/0.017);Cox回归模型分析显示,分化程度、淋巴结转移、T分期、化疗后ctDNA水平均是结直肠癌患者预后的独立影响因素[HR(95%CI)=0.512(0.334~0.786)、5.488(3.485~8.643)、5.843(4.079~8.371)、6.846(4.578~10.238)];以分化程度、淋巴结转移、T分期、化疗后ctDNA水平构建结直肠癌患者预后的列线图模型,一致性指数为0.892,校正曲线分析显示,预测模型预测病死风险与实际病死风险吻合度较高。结论 结直肠癌患者ctDNA水平与病理特征有关;构建ctDNA水平、病理特征预测结直肠癌患者预后的列线图模型具有良好效能,便于指导临床积极完善治疗方案。
标题:结直肠癌不同病理特征患者化疗前后循环肿瘤DNA水平变化及预后预测的列线图模型构建
作者:李程;闫柯;霍斌亮;李文翰;赵刚;
关键词:结直肠癌;化疗;循环肿瘤DNA;Cox回归模型;列线图模型
发表日期:2022年6月 |
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