If technologists could not properly take a simple chest X-ray, how can they be expected to safely operate ct scanners or linear accelerators?
如果技术员不能准确进行一次简单的胸透检查，怎么能指望他们安全地操作CT扫描仪或线性加速器呢？
Participants were randomly assigned to receive three annual screenings with either the low-dose spiral CT or the standard chest X-ray.
参与者被随机地指定做一种每年一次共三次的影像学检查——低剂量螺旋CT或标准X射线胸透。
The NLST is the first trial with sufficient numbers of participants using a randomized design to enable the comparison of mortality differences between spiral CT and chest X-ray, Aberle said.
NLST则是第一次包含大量随机指定的受试者的实验，使得在螺旋CT成像和X射线胸透之间做死亡率的比较成为了可能。
Now Indian-based companies are moving into an wider range of services: reading CT-scans and X-rays, processing legal documents and helping with animation.
不仅如此，印度的公司已经开始插手更加宽泛的服务领域：读取CT扫描以及X射线，处理法律文书以及进行动画制作。
Both Dr Bach and Dr Henschke had hoped that by using CT, which is better than X-rays at picking up small tumours in the lungs, they might have changed this outcome.
巴赫和赫恩施克都希望应用CT这一在肺部小肿瘤检测方面优于X光片的技术，来改变这一结果。
Your doctor may also recommend an abdominal X-ray, an ultrasound scan or a computerized tomography (CT) scan to help confirm appendicitis or find other causes for your pain.
医生也可能让你去做立位腹平片、超声、CT等以确诊阑尾炎、或是寻找其它病因。
Over the years, numerous less invasive explorations of the remains were conducted there, including x-ray and CT scan imaging studies and an analysis of the mummy's mitochondrial DNA.
这些年来，在那里进行了许多次具有较小侵害的探索，包括X光，CT扫描影像学检查以及木乃伊线料体DNA分析。
Conclusion: Combination of X-ray barium radiography and CT will improve the diagnostic accuracy of esophageal leiomyoma and the ability in differentiating malignant from benign lesions.
结论：X线钡餐检查与CT扫描结合应用能提高食管平滑肌类肿瘤的诊断正确率及其良恶性的鉴别能力。
The main appearances of the X-ray and ct were osteolytic bony destruction, eccentric and expansive growth uneven bony septations, and rim osteosclerosis and ossification.
主要X线与CT表现为溶骨性骨质破坏，偏心膨胀性生长，粗细不均的骨性间隔，边缘增生硬化及骨化。
Conclusion: Marrow morphology and X-ray were good methods for diagnosis of NB, B ultrasonic and CT can improve positive incidence.
结论：骨髓细胞形态学和X线检查是诊断nb的较好方法，B超、CT可提高肿瘤检出率。
Results In the modalities, barium radiography of upper digestive tract, CT and angiography possess high diagnostic value, however B mode US and X scintigraphy have low diagnostic value.
结果在各种检查中上消化道钡餐造影、CT和血管造影诊断价值较大，而B超和放射性核素显像的诊断价值较小。
Objective: To compare the two imaging methods between X-ray and ct scan in diagnosing spinal fracture.
目的：比较和评价常规X线片和CT扫描二种影像学方法在脊柱骨折诊断中的作用。
The research and development of X-ray coherent scatter imaging, X-ray diffraction enhanced imaging and X-ray coherent scatter CT imaging are mainly summarized.
重点介绍了X射线相干散射成像技术、X射线衍射增强成像技术和X射线相干散射CT成像技术的研究和进展。
Ct scan is like an X-ray, but it USES multiple images to build up a more detailed, three-dimensional (3-d) picture of your brain.
CT扫描是像X光，但它使用多张图片，建立一个更详细的，三维(3 -丁)你的大脑的图片。
Doctors use several tools to screen for colon cancer and precancerous lesions, including blood tests and imaging technologies such as X-rays and CT scans (also known as "virtual" colonoscopies).
医生运用几种措施筛查结肠癌以及癌前期病变，包括血液检测以及如x 线和CT筛查（也称虚拟结肠镜）的影像学手段。
Conclusion: The current CT arthrography provides important X ray information for both diagnosis of shoulder instability and anatomatic repair of shoulder instability.
结论：CT气-碘双对比造影可以明确诊断肩关节不稳定，并为肩关节不稳定的解剖修复提供重要的影像学信息。
Traditional CT has a great limitation because its image is produced based on the X-ray absorbed by human tissue.
传统CT由于利用人体组织对X光的吸收进行成像具有很大的局限性。
Objective To determine the cause of X-ray misdiagnosed cases and the diagnostic value of ct in pulmonary tuberculosis.
目的探讨X线胸片误诊肺结核的原因及CT对肺结核的诊断价值。
However under the unconventional CT scanning mode, using the low-energy X-ray source, which can save the energy, can fulfill the CT reconfiguration of the specimens with the flat-type.
但在非常规的CT扫描方式下能用低能的X射线源完成这些形如扁平体试件的CT重构，节省了能量。
Purpose: to study CT and X ray manifestations of pulmonary lymphoma and to improve the diagnostic accuracy of the disease.
目的：研究肺淋巴瘤的X线与CT表现，提高对肺淋巴瘤的认识，减少误诊。
Objective:To improve knowledge of biological characteristic in X ray CT and MRI image of craniocerebral echinococciasis and diagnostic rate.
目的：为加强脑包虫病X线片、CT、MRI影像中生物学特性认识，提高诊断率。
Methods The pig experimental models of pulmonary embolism and infarction were examined by X ray, ventilation perfusion scanning, helical CT, angiography.
方法以小型猪为肺栓塞、肺梗死实验动物模型，进行X线平片、核素灌注扫描、螺旋CT、血管造影检查。
Conclusion There are varied clinical manifestations in pneumothorax patients with thoracic X-ray negative. CT was the best diagnosis way of the disease.
结论胸片阴性的气胸患者，临床表现多种多样，CT是诊断该病的最佳方法。
MRI is reliable to display the early ANFH and could provide more diagnostic information. Diagnostic value of MRI is superior to CT and X ray plain film.
结论X线平片难以发现ANFH的早期表现，MRI是显示早期ANFH有效而可靠的方法，可提供更多的诊断信息，诊断价值高于CT和X线平片。
Methods Dr Tissue equalization technique was used to evaluate 76 cases of children with snoring disease. Each patient was taken conventional X-ray and ct examination respectively.
方法对76例儿童鼾症患者进行DR检查，并运用组织均衡技术进行处理。
Result: Like X-Ray simulation, CT-based simulation can carry out all the process from simulation to body surface marking.
结果：CT模拟定位可以和X线模拟定位一样完成从定位到做体表标记的全过程。
Objective: to study X-ray and ct features of gastrointestinal leiomyosarcoma in order to improve their diagnostic ability.
目的：探讨胃肠道平滑肌肉瘤的X线和CT表现，以提高对该病的诊断能力。
Objective To evaluate the diagnostic value of X-ray and ct in thoracolumbar bursting fracture.
目的：探讨胸腰椎爆裂性骨折在X线平片和CT片中的诊断价值。
The image reconstruction of industrial X-CT belongs to image reconstruction with narrow fan-beam scan mode.
高能X射线工业CT机的图像重建属窄角扇束扫描方式下的图像重建。
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