(1)To prospectively evaluate the effect of heart rate, malignant lesions.Performance of needle aspiration
and needle calcification variability, and dual-source localization procedures followed by heart rate
excisional biopsy is computed tomography (CT) image quality and to frequently necessary to
determine the origin of a mammographic finding. prospectively assess diagnostic accuracy of
coronary artery stenosis. by for dual-source CT
the angiography coronary as using invasive 虽然摄影是乳腺癌的形态学标准，乳房可见检测相当reference standard.
敏感，经常不足的恶性病变良性分化性能。穿刺针定前瞻性评价心率、心率变异性及钙化双源计算机断层扫描成像质量的影响及对冠状动脉狭窄的位切除活检程序经常需要确定一个X线发现的起源 双源性冠状动脉狭窄诊断的准确性评价。以侵入 性冠状动脉造影为参照标准。
(4)Therefore,initiatives have been taken among plays an essential role in the Chest radiography(2)radiation protection authorities to give priority to most and diagnosis of thoracic disease is the investigations of dose levels and frequencies of the examination in radiologic frequently performed X-ray examinations among children. The main more Since United States. the X discovery of rays objective is to establish recommendation of upper have a than century in ago, advances technology dose limits for various diagnostic procedures and to yieled numerous improvements in thoracic imaging. implement minimum requirements for equipment Evolutionary progress in film-based imaging has led standards. to the development of excellent
screen-film systems specifically designed for chest radiography. 因此，在辐射防护当局之间采取了主动行动，优先考
线摄影中起着至关重要的作用在胸部疾病的诊X胸部虑儿童的剂量水平和频率的调查。主要目标是建立各射线断，是最常用的影像学检查在美国。由于发现X种诊断程序的上限的建议，并实施设备标准的最低要的一个多世纪前，技术的进步得到了大量的改进，在求。
胸部影像。电影为基础的成像的进化进展，导致了专 门设计用于胸部放射摄影的优秀的屏幕膜系统的发
(5)Thus, the aim of our study was to prospectively 展。evaluate to what extent image quality in 16-detector row CT coronary angiography is a
function of the heart rate and image reconstruction technique. 因此，我们的研究的目的是前瞻性评估在何种程度上
的图像质量在16检测器行冠状动脉造影是一个功能mammography is quite sensitive for the (3)although
criteria that detection of breast cancer morphologic 的心脏速率和图像重建技术。 frequently are visible mammographically are from
the for insufficient of differentiation benign
multi-detector row CT coronary angiography and invasive coronary angiography in grading of
coronary atherosclerosis was investigated with (6)The aim of our study was to prospectively
Spearman correlation analysis. The evaluate the effect of heart rate, heart rate variability, symmetry of
data CT image quality distribution and any underestimation or and calcification on dual-source
overestimation with multi-detector and to prospectively assess the diagnostic accuracy row CT coronary
angiography were checked with the Bowker test. , by of dual-source CT for coronary artery stenosis using invasive coronary
angiography as the reference standard. 多排螺旋CT冠状动脉造影和冠状动脉造影冠状动脉
评分之间的相关程度进行Spearman本研究的目的是前瞻性评估心脏心率、心率变异性和相关分析研究。数据分布和任何低估或高估与多排钙化对双源的图像质量的影响，并前瞻性评估冠状动CT冠状动脉成像的对称性与对称性检查。脉狭窄的双源断层扫描的诊断准确率，通过使用侵入 性冠状动脉血管造影作为参考标准。
(11)The quality of the images obtained with the digital flat-panel detector system was rated
significantly superior to the quality of those obtained
with the compare was this (7)The purpose of study to conventional film-screen radiography
system . urinary of the observer performance for detection with radiographs system calculi using computed
viewing and different formats different display 与数字的平板探测器系统获得的图像的质量被评为显systems.
着优于那些获得与传统的电影屏幕摄影系统的质量。 本研究的目的是比较的观察员性能检测泌尿系统结石
CT的片有不同的显示格式和不同观测系统。(12)In conclusion , our results indicate that in
16-row detector cardiac CT, image quality critically depends on the choice of a suited reconstruction interval and reconstruction technique. In patients with a high heart rate, the best image quality is
observed in end systole and early dual-source a with were studies (8)CTperformed diastole ; in
patients with a without performed were patients all in scanner and lower heart rate, the best image
quality is observed in middiastole. of acquisition to complications.Prior the topogram,
patients received a single dose of 2.5mg of idodine.
.
总之，我们的研究结果表明，在16排探测器心脏断层，对像CT无并发症。检查与所有患者双源扫描仪进行，图像质量的关键取决于一个合适的重建间隔和重建技 2.5mg收购之前，患者接受单剂量的碘。术的选择。在患者的高心率、图像质量最好的是在收
缩末期和舒张早期观察；患者心率较低，图像质量最 好的是观察舒张中期。between correlation of
degree 10)The (
数字乳腺X线摄影被认为是“在乳腺癌监控was sets in all data (9)Image reconstruction 方面最具潜力”的技术。在数字乳腺X线摄影中，retrospective using performed by
影像获取、存储、及显示是独立完成的，且使每electrocardiographic gating, a technique that allowed
步最优化。 data from volume continuous image reconstruction Digital mammography is...the X-ray energy sets during any phase of the cardiac cycle Digital mammography is considered to be the most
promising technology in the field of breast cancer 采用回顾性心电门控技术在
所有数据集surveillance. In digital mammography, image
acquisition, storage, and display are completed 进行图像重建，技术，允许从
体数据重建independently, and make every step of
optimization. 图像连续的心动周期的任何阶段
采用心脏重建算法为16排CT（西门子）配数字系统提供了一个宽广的动态范围，这尤其 备的标准心脏软件包进行图像重建。这种算法允线摄影的第一步是数字胸部X适用于胸部成像。许单扇区图像重建时心率低于72/min,双扇区重使用储存荧光板，它能够生成质量足以与传统屏建时心率高于72/min。 在此心率范围然而为了达到相似的对比-片系统向媲美的影像。之间，时间分辨率呈线性增加和减少。 分辨率，需要较高的放射剂量。The adaptive cardiac volume...72beats per Digital system
provides.....contrast resolution minute. Between these heart...and decrease.
The cardiac reconstruction algorithm was Digital systems provide a broad dynamic range, used to reconstruct the image
of 16 slice CT imaging. which is for suitable chest especially (SIEMENS) with standard heart software Digital chest
radiography is the first step in the package. This algorithm allows a single sector it can generate use of stored fluorescent panels, image reconstruction when the heart rate is less film screen and enough quality traditional than 72/min, the dual sector reconstruction of system to match the image. However, in order to heart rate is higher than 72/min. In this heart higher resolution, similar achieve contrast rate range, the time resolution increases linearly radiation dose is required. and decreases. 在过去的几年里，空间分辨率和时间分辨率 的提高致使高度狭窄、病变的诊断图像质量更 具有层层和16好、准确性更高。因此，64CT 改善高心率患者的图像质量和减少由于重度钙我们的结论：这种新型大面积硅平板探测器的诊 化引起的放射状伪影的潜力。断性的诊断性能在临床胸部成像中等同于或优In the past....to heavy calcification 于传统屏-片系统，并可取代传统X线照相系统。
We conclude that.......radiographic system the of improvement the few the In past years,
better a to leads temporal and spatial resolution Our conclusion: the diagnostic performance of this image quality and higher accuracy in the diagnosis new type of large area silicon flat panel detector is 64 the Therefore, the of disease. and layer 16 the equivalent to or superior to the traditional screen image to potential the have CT layer improve the film system in clinical chest imaging, and can to heart high with patients the of quality and rate replace the traditional X-ray radiography system. severe reduce artifacts radial the due to calcification.
放射界十分注重乳腺XCT通过改善时线摄影的质量控制，总的来说，我们证明了双源并考虑到许多细节如X间分辨率为图像质量提供了一个较广的心率范线洗片机，屏-片组合、乳腺X线摄影发生器和围，使图像质量从心率的限制中独立出来。然而X线管。可是，对乳腺X线观片灯及其观片条件考虑的太少。检查期间的心率变化对图像质量有普遍的影响，
The radiology community 对于图像质量有一个很大的下降。has focused
much.we demonstrated... .
In conclusion，Radiation attaches great importance to control
CT the dual source that In general, we show the quality of mammography. And takes into
the time through improvement in resolution for account many details such as X-ray film processor
the range of provides quality of the image a wide and screen film combination, mammography
heart from quality the image make heart rate, the generator and X-ray tube. However, it is too small
rate independent. However, during the examination, to consider the conditions of the breast X-ray film
on have changes a general effect rate the heart and its viewing conditions. image there quality, image and is a big decline in quality.
同判图像评价有同样的两个研共究人员读。。。。。所有数据随机进行评估，且重建间隔、重建技术和心率均为盲法评估。评估横断面）薄层最大密度MPRS图像、多平面重组技术（ MIPS）投影技术（Were assessed Image evaluation was...
Image evaluation has the same interpretation of the were All two same researchers..... the data
randomly evaluated, and the reconstruction interval, the reconstruction technique and the heart rate were of blind by all evaluated the method. Assessment reconstruction planar images, cross sectional multi projection density layer thin (MPRS) maximum technique (MIPS)
计算机断层扫描尿路造影是一个发展中的组合起来应用到概念，是把静脉尿路造影和CT同一个检查中，因此，只需要单次静脉注射碘对 比剂。Computed tomographic...contrast media
Computed tomography is a developing concept, it is the combination of intravenous and CT to apply to single the therefore, examination, same only a intravenous injection of iodine contrast agent.
完整版医学影像专业英语
