| SPECT/CT定量技术新进展 |
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| 引用本文： | 王涛,王相成,王城,王雪梅.SPECT/CT定量技术新进展[J].国际放射医学核医学杂志,2018,42(3):265-268. |
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| 作者姓名： | 王涛 王相成 王城 王雪梅 |
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| 作者单位： | 010050 呼和浩特, 内蒙古医科大学附属医院核医学科 |
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| 摘 要： | SPECT一直被认为不能进行定量分析，但SPECT/CT、物理校正（光子衰减、散射等技术）及图像重建算法等技术的出现推动了SPECT/CT定量技术的发展，目前SPECT/CT已经可以进行类似PET的定量分析。多种技术的整合使SPECT/CT在图像采集及处理方面的性能进一步提高，使定量更加准确。笔者主要对SPECT/CT的硬件、物理校正、图像重建算法的临床应用及不足进行综述。
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| 关 键 词： | 单光子发射计算机体层摄影术 定量 校正 |
| 收稿时间： | 2017-11-19 |
New progress in SPECT/CT quantitative techniques |
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| Tao Wang,Xiangcheng Wang,Cheng Wang,Xuemei Wang.New progress in SPECT/CT quantitative techniques[J].International Journal of Radiation Medicine and Nuclear Medicine,2018,42(3):265-268. |
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| Authors: | Tao Wang Xiangcheng Wang Cheng Wang Xuemei Wang |
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| Affiliation: | Department of Nuclear Medicine, Inner Mongolia Medical University Affiliated Hospital, Hohhot 010050, China |
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| Abstract: | SPECT has always been considered as a technique thas unsuitableat cannot be used for quantitative analysis. The However, the appearance of such technologies, e.g., as SPECT/CT, physical correction (such as photon attenuation and scattering), and image reconstruction algorithms, haves promoted the development of SPECT/CT quantitative technology development. The direct integration of multiple technologies allows the further improvement of SPECT/CT to further improve performance in image acquisition and processing, thereby ensuring more accurate quantification. The authors mainly summarized the SPECT/CT hardware, physical correction, image reconstruction algorithm, and clinical application and insufficiency. |
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