Quantitative evaluation of expression difference in report assignments between nursing and radiologic technology departments [0.03%]
护理与放射学技术专业报告任务表达差异的量化分析研究
Naoki Nishimoto,Yuki Yokooka,Ayako Yagahara et al.
Naoki Nishimoto et al.
Our purpose in this study was to investigate the expression differences in report assignments between students in nursing and radiologic technology departments. We have known that faculties could identify differences, such as word usage, th...
Skin shift and its effect on navigation accuracy in image-guided neurosurgery [0.03%]
皮瓣移动及其对影像引导神经外科手术导航精度的影响
Takashi Mitsui,Masazumi Fujii,Masatoshi Tsuzaka et al.
Takashi Mitsui et al.
Neuronavigation systems have been developed for image-guided neurosurgery to aid in the accurate resection of malignant brain tumors. Therefore, the accuracy of the neuronavigation is important. However, many factors can reduce the navigati...
Sonographic visualization of the normal stomach: left lateral decubitus position [0.03%]
正常胃的超声检查：左侧卧位
Koichi Yabunaka,Toshizo Katsuda,Shigeru Sanada et al.
Koichi Yabunaka et al.
The aim of this study was to evaluate the usefulness of an imaging technique that takes into account the effect of posture change on the stomach in transabdominal ultrasonography (US). A total of 240 adult patients (healthy subjects) underw...
Clinical evaluation of a newly developed method for avoiding artifacts caused by dental fillings on X-ray CT [0.03%]
一种新型避免牙科填充物产生X射线CT伪影的方法的临床评估研究
Yasuo Nakae,Kiyoshi Sakamoto,Takahiro Minamoto et al.
Yasuo Nakae et al.
To evaluate the clinical usefulness of gantry tilt scanning as an image reconstruction technique for avoiding artifacts caused by metallic dental fillings. Gantry tilt scanning was used with multidetector-row computed tomography for imaging...
Simplified simulation of four-layer depth of interaction detector for PET [0.03%]
简化的四层正电子发射断层扫描深度敏感性探测器的模拟
Hideaki Haneishi,Masanobu Sato,Naoko Inadama et al.
Hideaki Haneishi et al.
A four-layer depth-of-interaction (DOI) detector was proposed from and developed at the research project at the National Institute of Radiological Sciences in Japan, with the aim of achieving high resolution and high spatial sensitivity. Pr...
Dependence of radiographic sensitivity of CR imaging plate on X-ray tube voltage [0.03%]
CR影像板的射线照相灵敏度与X射线管电压的关系
Yoshiyuki Asai,Masanobu Uemura,Masao Matsumoto et al.
Yoshiyuki Asai et al.
Our purpose in this study was to compare the energy absorbed in a computed radiography (CR) plate with that absorbed by a film-screen system over the diagnostic X-ray tube voltage range. A Fuji ST-II and Fuji HGM/UR2 were selected as a CR p...
Effect of test patterns on measurement of the luminance of LCD devices by use of a telescopic-type luminance meter [0.03%]
测试图样对透过型亮度计测量液晶显示器亮度的影响
Junji Morishita,Kiyoshi Dogomori,Shiro Hatanaka et al.
Junji Morishita et al.
Quality assurance of electronic display devices is important for maintaining reliable soft-copy image interpretations. This paper presents effects of test patterns on measurement of the luminance of liquid-crystal display (LCD) devices by u...
Fat quantification by use of phase change in dual-echo magnetic resonance imaging [0.03%]
双回波磁共振成像相位变化法脂肪定量研究
Yoshiyuki Ishimori,Masahiko Monma,Hitoshi Sakurai et al.
Yoshiyuki Ishimori et al.
The demand for measurement of visceral fat in medical checkups is increasing because of attention to central obesity. Computed tomography is widely used for this purpose, but carries risks associated with radiation exposure. Fast imaging wi...
Design of a compensating bolus by use of exhalation CT data for covering residual motion in respiratory-gated charged-particle lung therapy: four-dimensional carbon beam dose calculation [0.03%]
利用呼气CT数据设计补偿膜以覆盖呼吸门控粒子肺治疗中剩余运动的四维碳束剂量计算方法
Shinichiro Mori,Hiroshi Asakura,Shuhei Komatsu et al.
Shinichiro Mori et al.
We developed an algorithm which we used to design a compensating bolus by using respiratory-gated CT data for respiratory-gated carbon beam lung therapy and evaluated it by calculating dose distributions as a function of time. Four-dimensio...
Performance evaluation for 120 four-layer DOI block detectors of the jPET-D4 [0.03%]
新型四层DOI探测器模块jPET-D4的性能评估
Naoko Inadama,Hideo Murayama,Yusuke Ono et al.
Naoko Inadama et al.
The jPET-D4 is a brain positron emission tomography (PET) scanner that we have developed to meet user demands for high sensitivity and high spatial resolution. For this scanner, we developed a four-layer depth-of-interaction (DOI) detector....