1)Low-dose CT低剂量CT
1.Analytical noise treatment for low-dose CT projection data by penalized weighted least-square smoothing in the K-L domain;利用K-L域惩罚加权最小均方平滑对低剂量CT投影数据进行噪声滤除(英文)
2.Low-dose CT can screen more patients in early stage, however, overdiagnosis, cost and the quality of studies should be considered.本文对普通胸片、痰细胞学检查和低剂量CT在肺癌筛查中的作用以及各种临床试验的研究设计、偏倚等进行了分析 ,从循证医学角度阐述了单纯胸片筛查或联合痰脱落细胞学检查均不能降低肺癌死亡率 ;尽管低剂量CT能够检测到大多数无症状性肺癌和早期可切除的肺癌 ,但有过度诊断和研究设计仅限于观察性试验的不足 ,有待随机对照试验的进一步证
英文短句/例句
1.Study on Wavelet Denoising for Low-dose Computed Tomography;低剂量CT图像的小波噪声抑制研究
2.Low-Dose CT and Its Application in Pediatrics低剂量CT技术及其在儿科中的应用
3.Multi-scale Noise Reduction Algorithm for Low Dose CT Sinograms低剂量CT投影数据多尺度去噪算法的研究
4.Application value of low-dose CT scanning in esophageal foreign body低剂量CT扫描在食道异物中的应用价值
5.Evaluation of Low-dose Spiral CT and Multiple Planar Reconstruction in Diagnosing the Foreign Body in Trachea and Bronchi in Children低剂量CT后处理技术在小儿气道异物术前应用
6.The Study of Low-Dose CT in Temporal Bone Scanning of 64-Slice Spiral CT;64层螺旋CT颞骨低剂量扫描的研究
7.The Clinical Investigate of SCT Low Dose Scanning in Stomach Cancer;螺旋CT低剂量扫描在胃癌的临床探讨
8.Research Progress in the Clinical Application of Low-dose CTCT低剂量在临床应用中的研究进展
9.64-MSCT Coronary Angiography with Reduction Radiation Dose64层螺旋CT冠状动脉低剂量成像初探
10.The Study of Low Dose Scan with Multislice Helical CT in Head and Neck头颈部多层螺旋CT低剂量扫描研究
11.Low dose Scan of 64-detector Row CT on Pediatric Body低龄小儿体部64排CT低剂量扫描的探讨
12.The Relativity Study between Low Radiation Dose and Image Quality in Multi-detector Spiral CT多层螺旋CT低剂量与图像质量相关性的研究
13.Objective To study the effect of low exposing dose on detecting lung nodules by CT.目的探讨低剂量扫描对CT检出肺结节的影响。
14.Optimizing Scan Parameter to Reduce Radiation Dose on Multislice CT Examination of Children;降低儿童多层螺旋CT检查辐射剂量的研究
15.Low-dose Chest Multislice CT: A Clinical Study;多层螺旋CT胸部低剂量扫描的应用研究
16.Clinical Research of Low x-ray Dosage Scanning of Orbita by MDCT多排螺旋CT眼眶低剂量扫描的临床应用研究
17.Screening Colorectal Cancer Using Low Dose with 64-MSCT: A Experimental Study64层螺旋CT低剂量筛查结肠癌的实验研究
18.Application of low-dose spiral CT scanning technology in acute appendicitis低剂量螺旋CT扫描技术在急性阑尾炎中的应用
相关短句/例句
low-dose computed tomography低剂量CT
1.Study of low-dose computed tomography and serum P16 gene methylation measurement serum for early diagnosis of lung cancer;低剂量CT联合血清P16甲基化检测在肺癌早期诊断中的研究
3)low-dose X-CT低剂量X-CT
1.Generalized Gibbs prior based high quality low-dose X-CT reconstruction;基于广义Gibbs先验的低剂量X-CT优质重建研究
4)Low-dose CT scanning低剂量CT扫描
1.Low-dose CT scanning for the diagnosis of nasal sinus lesions;低剂量CT扫描在鼻窦疾病诊断中的应用
5)scanning with low-dosagetCT低剂量扫描
6)low-dose spiral computed tomography低剂量螺旋CT
延伸阅读
大剂量增强后延迟CT大剂量增强后延迟CT CT检查方法之一。用于检查肝脏占位性病变的增强CT技术。使用总量为60g碘的经尿路排泄的对比剂，经静脉注入后延迟4～6小时后进行CT扫描。该法不同于一般在增强后5～15分钟的延迟扫描。主要原理是：注入的对比剂中约有1%～2%将滞留于正常肝实质内，最后经胆道排泄，从而使正常肝组织的密度值比平扫时增高约20HU，而肝内病灶区内无对比剂滞留，表现为低密度，形成对比。应注意的是此时肝内血管亦无对比剂滞留而呈低密度，因此需结合增强CT(包括普通增强、动态团注增强或血管造影CT)比较判断。该法可使肝内小占位性病灶的检出率提高约20%～30%。
