[1]陆 健,王忠敏,陈克敏,等.微正电子发射断层扫描/CT扫描对荷人胰腺癌裸鼠组织间近距离放射治疗的早期疗效评估[J].介入放射学杂志,2012,(07):574-577.
 LU Jian,WANG Zhong- min,CHEN Ke- min,et al. Micro- PET/CT scanning for evaluating early effect of interstitial brachytherapy in treating transplantation tumor of human pancreatic carcinoma in Balb/c nu mice[J].journal interventional radiology,2012,(07):574-577.
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微正电子发射断层扫描/CT扫描对荷人胰腺癌裸鼠组织间近距离放射治疗的早期疗效评估 ()

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《介入放射学杂志》[ISSN:1008-794X/CN:31-1796/R]

卷:
期数:
2012年07期
页码:
574-577
栏目:
实验研究
出版日期:
2012-07-30

文章信息/Info

Title:
 Micro- PET/CT scanning for evaluating early effect of interstitial brachytherapy in treating transplantation tumor of human pancreatic carcinoma in Balb/c nu mice
作者:
 陆 健 王忠敏 陈克敏 刘 玉 郑云峰
Author(s):
 LU Jian WANG Zhong- min CHEN Ke- min LIU Yu ZHENG Yun- feng.
 Department of Radiology, Ruijin Hospital Luwan Branch, School of Medicine, Shanghai Jiaotong University, Shanghai 200020, China
关键词:
 【关键词】 胰腺癌 近距离放射治疗 氟?蛳 18标记脱氧葡萄糖代谢 微正电子发射计算机断层扫描
文献标志码:
A
摘要:
 【摘要】 目的 探讨氟?蛳18标记脱氧葡萄糖(18F?蛳 FDG)微正电子发射型计算机断层扫描/CT扫描(Micro?蛳 PET/CT)对125I放射性粒子组织间植入治疗人胰腺癌裸鼠移植瘤模型的评估价值。 方法 将人胰腺癌SW1990细胞株接种于18只BALB/C裸鼠,并将荷瘤裸鼠随机分为空白对照组、空载粒子组和125I粒子植入组,每组6只。分别于治疗前及治疗后1周行18F?蛳 FDG Micro?蛳 PET/CT检查,计算最大标准摄取值(SUVmax)、平均标准摄取值(SUVmean)。瘤体标本进行胸苷激酶1(TK1)检测细胞增殖及末端脱氧核苷酸转移酶-生物素dUTP切口末端标记法(TUNEL)检测细胞凋亡。 结果 治疗前三组间SUVmax和SUVmean值差异无统计学意义(P > 0.05)。治疗后1周,125I粒子植入组SUVmax和SUVmean分别为0.28 ± 0.20和0.02 ± 0.01,明显低于空白对照组分别为(3.54 ± 1.49和0.59 ± 0.18)和空载粒子组(分别为3.78 ± 1.67和0.57 ± 0.21),三组间SUVmax和SUVmean值差异有统计学意义(P < 0.05)。125I粒子植入组TK1阳性染色指数为37.86 ± 1.71,明显低于空白对照组(64.01 ± 1.48)和空载粒子组(62.88 ± 2.36),差异有统计学意义(P < 0.01);而125I粒子植入组的凋亡指数为23.78 ± 2.53,明显高于空白对照组(7.99 ± 1.32)和空载粒子组(8.36 ± 1.60),差异亦有统计学意义(P < 0.01)。SUVmax与TK1阳性染色指数呈正相关,而与凋亡指数呈负相关。结论 18F?蛳 FDG Micro?蛳 PET/CT能有效监测胰腺癌近距离放射治疗的疗效,是一个有效的评估手段。

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备注/Memo

备注/Memo:
 (收稿日期:2012-02-28)
更新日期/Last Update: