影像学技术在图像引导宫颈癌近距离放射治疗中的应用

doi:10.11904/j.issn.1002-3070.2021.03.013

摘要/Abstract

摘要： 图像引导放射治疗是一种很有前途的放射治疗技术,可以提高宫颈癌患者的局部控制率,降低并发症发生率。MRI软组织分辨率高,是图像引导宫颈癌近距离放射治疗公认的金标准。CT软组织分辨率虽不及MRI,但更易识别施源器、源和源路径,在宫颈癌的放疗计划中,CT的使用率远远高于MRI。新的成像技术,如PET和MRI,改善了放疗计划中靶区的勾画,特别是PET联合CT、MRI,在功能成像方面也显得越来越重要。在病人初始分期方面,超声已经被MRI取代,但在图像引导妇科插植和腔内近距离治疗中起重要作用。本综述的目的是评估各种影像技术在图像引导宫颈癌近距离放射治疗中的应用。

关键词: 宫颈肿瘤, 图像引导放射治疗, MRI, CT, PET, 超声

Abstract: Image-guided radiotherapy is a promising radiotherapy technology,which can improve the local control rate of cervical cancer patients and reduce the incidence of complications.MRI has high resolution of soft tissue,which is recognized as the gold standard of image-guided brachytherapy for cervical cancer.Although CT soft tissue resolution is lower than MRI,it is easier to identify the applicator,source and source path.In the radiotherapy plan of cervical cancer,the utilization rate of CT is much higher than that of MRI.New imaging technologies,such as PET and MRI,have improved the delineation of target areas in the radiotherapy plans,especially,PET combined with CT and MRI is becoming more and more important in functional imaging.Ultrasound has been replaced by MRI in the initial stage of patients,but it plays an important role in image-guided gynecological implantation and intracavitary brachytherapy.The purpose of this review is to evaluate the application of various imaging techniques in image-guided brachytherapy for cervical cancer.

Key words: Cervical tumor, Image-guided radiotherapy, MRI, CT, PET, Ultrasound

中图分类号:

R737.33

黎敏, 冉立, 常建英. 影像学技术在图像引导宫颈癌近距离放射治疗中的应用[J]. 实用肿瘤学杂志, 2021, 35(3): 263-267.

LI Min, RAN Li, CHANG Jianying. Application of imaging technology in image-guided brachytherapy for cervical cancer[J]. Journal of Practical Oncology, 2021, 35(3): 263-267.

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链接本文: http://journal09.magtechjournal.com/Jwk3_syzlxzz/CN/10.11904/j.issn.1002-3070.2021.03.013

http://journal09.magtechjournal.com/Jwk3_syzlxzz/CN/Y2021/V35/I3/263

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