A significant limitation of SPECT is its poor resolution (about 1 cm) compared to that of MRI.
对SPECT的一个明显的局限性是其分辨率较低(约1厘米)相比，磁共振成像。
Purpose:This paper mainly introduced a stereotactic localization method for brain SPECT imaging.
目的：本文主要介绍SPECT脑显像的一种立体定位方法。
Although various methods have been used to measure cerebral perfusion including PET, SPECT, xenon CT, and TCD, these require the patients to remain still for a long period.
尽管已经有很多方式用于测量大脑灌注，包括PET、SPECT、氙ct和TCD，但是这些要求患者较长一段时间保持静止。
Proponents are confident that the addition of CT will provide a new springboard for SPECT in nuclear cardiology as well as other functional studies, revitalizing traditional nuclear medicine.
支持者认为SPECT-CT能成为核医心脏和其他功能影像检查的一个新的起跳板，给传统的核医学增加活力。
Conclusions SPECT radioactive dynamic imaging is a sensitive and useful method in determining the salivary gland function of NPC patients who were treated by radiotherapy.
结论SPECT核素动态显像定量分析方法是评价鼻咽癌患者放疗后涎腺功能受损程度的敏感、实用的方法。
The results showed that DBA-SPECT is a feasible safe and non-invasive method for detecting coronary artery disease.
表明DBA-SPECT是诊断冠心病的一种具有较高敏感性和特异性的方法。 且安全可靠，可部分代替运动负荷试验。
Objective To investigate a novel potential SPECT cerebral blood flow perfusion imaging agent.
目的研制一种新的SPECT脑灌注显像剂。
This article is a review of different methods for attenuation correction in SPECT.
综述了常见的SPECT衰减校正方法，包括前、后校正法，本征法和迭代法。
A quantitative analysis system of myocardial radionuclide tomographic imaging (SPECT and PET) was developed.
介绍了开发设计的计算机心肌核素断层显像定量分析系统。
Objective To implement a combined method for the small animal CT-SPECT system to correct the distortion at the edge of the image, and to improve the positioning results.
目的 提出一种有效解决在SPECT定位算法中提高图像边缘定位精度的新方法，以解决研制的小动物成像系统中存在的边缘图像畸变问题。
The goal of this study is to design a common testing system for SPECT quality control according to NEMA standard.
本研究的目的旨在按nema标准设计一套通用的SPECT质量控制测试系统，供各种型号SPECT的验收，性能比较和常规质控使用。
SPECT lung perfusion scanning is a simple, convenient and useful method for assessing pulmonary flow qualitatively and semi-quantitatively.
SPECT肺灌注显像是定性、半定量分析肺血流的简单、方便、有用的方法。
OBJECTIVE: to investigate the character of SPECT image of NHIE, and compared with ct and MRI as well to provide a theoretical gist for function surveillance and early intervention of NHIE.
目的：探讨新生儿缺氧缺血性脑病单光子发射型计算机体层摄影显像的特征，并与CT扫描、MRI成像进行比较，为新生儿缺氧缺血性脑病患儿的功能监测和早期干预提供理论基础。
Main Outcome Measures: Primarily, the summed stress score, a 17-segment score for stress myocardial perfusion assessed by Tc-99m tetrofosmin single-photon emission computed tomography (SPECT).
主要观察指标：第一为总负荷评分，即使用Tc-99m单光子发射计算体层摄影（SPECT）评估心肌灌注图像的17节段评分。
The SPECT imaging displayed that the ROI T-A curves of tissues and organs were all descended with time, in which the lungs, stomach and muscle were lower than the kidneys, heart and liver;
家兔SPECT显像示：各组织器官T-A曲线均随时间逐渐下降，与肾、心、肝相比，肺、胃、肌肉曲线呈低水平；
The SPECT imaging displayed that the ROI T-A curves of tissues and organs were all descended with time, in which the lungs, stomach and muscle were lower than the kidneys, heart and liver;
家兔SPECT显像示：各组织器官T-A曲线均随时间逐渐下降，与肾、心、肝相比，肺、胃、肌肉曲线呈低水平；
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