重庆医学2012，Vol.41Issue(27)：2824-2826,3.DOI:10.3969/j.issn.1671-8348.2012.27.012
NSCLC合并肺不张行三维适形放射治疗时PET、MRI与CT靶区勾画的对比研究
Comparative study of impact of PET,MRI and CT on delineation of target volumes with 3D-CRT for non-small-cell lung cancer patients with atelectasis
任育江 1王阁 1胡南 1余娴 1马俊刚 1刘岩海 1杨镇洲1
作者信息
- 1. 第三军医大学大坪医院野战外科研究所肿瘤中心,重庆,400042
- 折叠
摘要
Abstract
Objective To investigate the accuracy of PET,MRI and CT on the delineation of target volumes of non-small-cell lung cancer(NSCLC) patients with atelectasis undergoing 3D-CRT. Methods 23 NSCLC patients with atelectasis were performed the CT enhancement scan,MRI enhancement scan and PET-CT enhancement scan. GTVct , GTVmri and GTVpet-ct were delineated and the volumes were calculated for comparison. Results GTVct , GTVmri and GTVpet-ct had some difference for all the patients. The average of GTVCT , GTVmri and GTVpkt-ct were(135. 21 ± 17. 34)cm3 ,(120. 72 ± 16. 54)cm3 and(115. 29 ± 15. 47)cm3 respec-tively. There was significant difference between GTVCT and GTVpet-ct (F= 5. 596, P<0. 01). There was no significant difference between GTVpkt-ct and GTVmri (F=3. 068,P>0. 05). Conclusion PET-CT and MRI can be utilized for evaluating the relationship of local lesion and atelectasis, which will be helpful for accurate target volume definition and bring less radiation damage to peripheral normal tissues.关键词
癌,非小细胞肺/肺不张/正电子发射断层显像术/磁共振成像/计算机断层扫描Key words
carcinoma, non-small-cell lung/ atelectasis/ positron-emission tomography/ magnetic resonance imaging/ computer tomography引用本文复制引用
任育江,王阁,胡南,余娴,马俊刚,刘岩海,杨镇洲..NSCLC合并肺不张行三维适形放射治疗时PET、MRI与CT靶区勾画的对比研究[J].重庆医学,2012,41(27):2824-2826,3.
