18F-FDG PET/CT的特点及其在肿瘤诊断中的应用

王俊起

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18F-FDG PET/CT的特点及其在肿瘤诊断中的应用

  • 300192 天津, 现天津医科大学总医院PET/cT中心硕士研究生

  • 中图分类号: R817.4

The performance and application of 18F-FDG PET/CT in diagnosis of tumor

  • 1. Department of Nuclear Medicine, Tianjin First Central Hospital, Tianjin 300192;

  • CLC number: R817.4

  • 摘要: 最近几年,具有高性能PET和CT的同机PET/CT已投入临床,其在肿瘤学中的应用呈迅速增长之势。加入高档CT的PET较之传统的PET在技术和临床方面具有明显优势。CT扫描一方面为PET提供了快速、准确的衰减校正数据,大大缩短采集时间,另一方面为PET图像提供了精确的解剖定位,使结果更加肯定,但引入CT的PET扫描也带来了一些技术上的新问题。PET/CT在头颈、腹盆肿瘤具有明显优势,即使在生理运动影响较大的胸部也取得了满意的效果。初步临床研究表明,PET/CT较之单独CT或PET在临床肿瘤学中具有明显优势,PET/CT融合显像对肿瘤患者和临床医生具有越来越重要的价值。
    Abstract: Positron emission tomography (PET)/computed tomography (CT)inline scanner combined with high performance PET and CT have been introduced to clinical in recent years. The application of PET/CT in oncology are rapid increasing. The addition of CT to PET offers many advantages, including ob, taining a fast and relatively accurate transmission map, shortening the duration of the examination, adding precise anatomical information to PET imaging, and providing additional diagnostic information. However, using CT for attenuation correction can led to some artifacts:quantitative measurements may be altered, high density IV and oral metallic objects may produce artifacts, and the registration of PET and CT may occasionally suboptimal. In head and neck tumor PET/CT offers particular potential advantages as well as abdomen and pelvic tumor. Even in the thorax, which the physical movement may produce unsatisfactory results, offers some advantages also. Preliminary results of PET/CT over PET or CT in oncology are very encouraging. It is clear the PET/CT fusion technology has an more and more impact on both diagnostic and therapeutic aspects of patient management.
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  • 收稿日期:  2004-02-20

18F-FDG PET/CT的特点及其在肿瘤诊断中的应用

  • 300192 天津, 现天津医科大学总医院PET/cT中心硕士研究生
  • 收稿日期: 2004-02-20

摘要: 最近几年,具有高性能PET和CT的同机PET/CT已投入临床,其在肿瘤学中的应用呈迅速增长之势。加入高档CT的PET较之传统的PET在技术和临床方面具有明显优势。CT扫描一方面为PET提供了快速、准确的衰减校正数据,大大缩短采集时间,另一方面为PET图像提供了精确的解剖定位,使结果更加肯定,但引入CT的PET扫描也带来了一些技术上的新问题。PET/CT在头颈、腹盆肿瘤具有明显优势,即使在生理运动影响较大的胸部也取得了满意的效果。初步临床研究表明,PET/CT较之单独CT或PET在临床肿瘤学中具有明显优势,PET/CT融合显像对肿瘤患者和临床医生具有越来越重要的价值。

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