[1]司宏伟,耿建华,陈盛祖.核医学显像与呼吸门控[J].国际放射医学核医学杂志,2007,31(2):104-107.
 SI Hong-wei,GENG Jian-hua,CHEN Sheng-zu.Respiratory gating nuclear medicine modality[J].International Journal of Radiation Medicine and Nuclear Medicine,2007,31(2):104-107.
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《国际放射医学核医学杂志》[ISSN:1673-4114/CN:12-1381/R]

卷:
31
期数:
2007年第2期
页码:
104-107
栏目:
临床核医学
出版日期:
1900-01-01

文章信息/Info

Title:
Respiratory gating nuclear medicine modality
作者:
司宏伟 耿建华 陈盛祖
100021 北京, 中国协和医科大学中国医学科学院肿瘤医院肿瘤研究所核医学科
Author(s):
SI Hong-wei GENG Jian-hua CHEN Sheng-zu
Department of Nuclear Medicine, PUMC & CAMS Cancer Hospital, Beijing 100021, China
关键词:
体层摄影术发射型计算机体层摄影术X线计算机呼吸门控放射治疗计划
Keywords:
Tomography emission-computedTomography X-ray computedRespiratory gatingRadiotherapy planing
分类号:
R817.4
摘要:
临床PET的空间分辨率可以达到4-5mm,但还是与X线、CT、MRI等显像方法的分辨率无法相比,从而限制了其在临床中的应用,其中最突出的是,在放疗计划中不能准确地勾画靶区。影响PET空间分辨率的因素很多,呼吸运动所造成的伪影就是其中之一。如果对呼吸运动进行补偿,则可以提高PET的空间分辨率,从而拓宽PET的临床应用。呼吸门控就是补偿方法之一。
Abstract:
The spatial resolution of PET can reach 4-5mm in clinic, but it can not compare with X-ray, CT, MRI and other modality, and consequently restrict the application of PET in some clinical area, especially the inaccurate delineation of target volume in radiotherapy plan. Lots of factors can affect the resolution of PET, one of them is the smear caused by the motion of respiratory. The spatial resolution can be improved after the compensation of respiratory movement in order to enlarge the clinical application of PET. One of the compensation methods is respiratory gating.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2006-08-08。
通讯作者:陈盛祖(E-mail:chen sszz@sina.com)
更新日期/Last Update: 1900-01-01