Objective To study the effects of gantry rotation time on image quality in 64 - slice spiral ct.
目的研究不同机架旋转时间对64层螺旋CT图像质量的影响。
The geometric error of axial image reconstruction increases with the increase of CT scan slice thickness, due to CT partial volume effect.
重建CT图像的前后方向的几何误差是随着扫描层厚增加而增加，主要是由于CT扫描的部分容积效应影响。
Objective To discuss the influences of changing pitch and width of sets to image quality when scanning styloid process with multi-slice CT.
目的：探讨茎突高分辨率CT扫描时改变螺距及准置器宽度对图像质量的影响。
Conclusion Image quality of 64-slice ct coronary angiography affected by the patient's heart rate, fluctuation of heart rate, breathing artifact and reconstruction phase.
结论64层螺旋ct冠状动脉成像质量受到患者心率、心率波动幅度、呼吸运动伪影及重建时相的影响。
Methods 6 patients with meningioma underwent 16 slice spiral ct, the image data were downloaded to workstation for reconstruction.
方法使用16层螺旋CT对6例脑膜瘤患者进行增强螺旋CT扫描，将采集的图像信息传入工作站对其进行多种重建。
Results Linear interpolation method and pitch affect the image quality of multi slice CT.
结果多层面CT机的质量与插值方法、螺距等因素有关。
Objective To investigate the influence of scanning and reconstruction parameters on image quality in multi-slice ct angiography (MSCTA).
目的探讨多层面螺旋CT血管成像(MSCTA)中扫描参数和重建方法的影响。
OBJECTIVE: To evaluate image quality of Multi-slice Spiral CT (MSCT) in the coronary artery imaging and the diagnostic accuracy in determining coronary lesions.
目的：评价多层螺旋ct冠状动脉成像效果以及在冠状动脉狭窄诊断中的应用价值。
Objective:To determine the display effect of non-dilated ureter with reducing mA on the image quality in patients undergoing multi-slice CT urography, and to measure the normal ureter size.
目的：探讨多层螺旋CT尿路造影对非扩张性输尿管图像质量的影响，并测量输尿管管径大小正常值范围。
Objective: To study the method and clinical application value of multi-slice ct in cerebral vascular image.
目的：探讨多层螺旋CT脑血管成像的方法与临床应用价值。
Objective To analyze experimentally the influence of changing mAs and reconstruction slice thickness on spiral ct image noise.
目的通过实验分析重建层厚的改变对CT图像噪声的影响。
Objective to investigate the optimum scanning parameters for multi-slice spiral ct aorta imaging so as to emphasize the contrast delay time and the method of image reconstruction.
目的：研究多层螺旋CT主动脉成像技术的最佳扫描参数，强化延时时间及图像重建方法。
Purpose: To analyse the factors affecting image quality of coronary angiography with multi slice helical CT.
目的：分析影响多层面螺旋CT冠状动脉成像质量的因素。
Objective To investigate the influence of heart rate and fluctuation of heart rate on image quality of 16-slice spiral CT coronary angiography (16-MSCTA).
目的探讨心率及心率波动对16层螺旋CT冠状动脉成像（16-MSCTA）图像质量的影响。
Image fusion was performed using thin slice scanning in the posterior fossa after the conventional CT scanning.
先行常规平扫，再行颅底薄层扫描后进行图像融合。
Methods The coronary artery imaging data of 981 patients who examined by 64-slice ct were collected from August 2005 to April 2006. The image quality and its influencing factors were analyzed.
方法收集我院2005年8月- 2006年4月行64层螺旋ct冠状动脉成像的981位患者的影像资料，分析成像质量及其影响因素。
Objective: to study the factors influencing multi-slice ct image artifacts.
目的对多层螺旋CT图像伪影的成因及其影响因素进行分析。
Image quality of target vessel fluency assessed by multi-slice helical ct: Does effect of coronary stent materials and structures exist?
多层螺旋CT评价靶血管通畅性图像的质量：冠状动脉支架材料及其结构有影响吗？
Methods Multi-slice Helical CT scanning was performed in 46 patients with scapular fracture. scapular 3D image reconstruction was carried out.
方法对46例肩胛骨折患者进行多螺旋CT扫描，重建肩胛骨表面遮盖法（ SSD）图像。
Objective: To evaluate the double-phase scan combined with image post-processing using multi-slice spiral ct (MSCT) on pre-operative assessment in pancreatic carcinoma.
目的：探讨多层螺旋ct双期增强扫描及图像后处理在胰腺癌手术可切除性研究中的应用价值。
Objective: To evaluate the double-phase scan combined with image post-processing using multi-slice spiral ct (MSCT) on pre-operative assessment in pancreatic carcinoma.
目的：探讨多层螺旋ct双期增强扫描及图像后处理在胰腺癌手术可切除性研究中的应用价值。
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