A convolution/superposition method using primary and scatter dose kernels formed for energy bins of X-ray spectra reconstructed as a function of off-axis distance: comparison of calculated and measured 10-MV X-ray doses in thorax-like phantoms [0.03%]
一种卷积/叠加方法,使用根据X射线光子能量重建的能量束的一次和散射剂量核:在胸部类似体模中计算和测量的10MV-X射线剂量的比较
Shigenobu Kimura,Kohji Sutoh,Kazuo Kamimura et al.
Shigenobu Kimura et al.
We performed experimental studies on the convolution/superposition method reported in the former companion paper (Iwasaki in Radiol Phys Technol 4, 2011) using 10-MV X-ray beams from open-jaw-collimated fields. The method uses primary and s...
Comparative Study
Radiological physics and technology. 2011 Jul;4(2):216-24. DOI:10.1007/s12194-011-0124-3 2011
From PACS to Web-based ePR system with image distribution for enterprise-level filmless healthcare delivery [0.03%]
从PACS到企业级无胶片医疗保健供应的基于网络的带影像分发的电子病例系统
H K Huang
H K Huang
The concept of PACS (picture archiving and communication system) was initiated in 1982 during the SPIE medical imaging conference in New Port Beach, CA. Since then PACS has been matured to become an everyday clinical tool for image archivin...
A convolution/superposition method using primary and scatter dose kernels formed for energy bins of X-ray spectra reconstructed as a function of off-axis distance: a theoretical study on 10-MV X-ray dose calculations in thorax-like phantoms [0.03%]
一种卷积/叠加方法使用由X射线光子能量重建的能量束形成的原发和散射剂量核:在类似胸壁的体模中对10MV X射线剂量计算进行理论研究
Akira Iwasaki,Shigenobu Kimura,Kohji Sutoh et al.
Akira Iwasaki et al.
A convolution/superposition method is proposed for use with primary and scatter dose kernels formed for energy bins of X-ray spectra reconstructed as a function of off-axis distance. It should be noted that the number of energy bins is usua...
Simulation and experimental studies on magnetic hyperthermia with use of superparamagnetic iron oxide nanoparticles [0.03%]
超顺磁性氧化铁纳米颗粒磁热疗的模拟与实验研究
Kenya Murase,Junko Oonoki,Hiroshige Takata et al.
Kenya Murase et al.
Our purpose of this study was to present simulation and experimental studies on magnetic hyperthermia (MH) with use of an alternating magnetic field (AMF) and superparamagnetic iron oxide nanoparticles (Resovist®). In the simulation studie...
Comparison of dose at an interventional reference point between the displayed estimated value and measured value [0.03%]
显示估算值与测量值在介入参考点剂量的对比研究
Koichi Chida,Yohei Inaba,Yoshiaki Morishima et al.
Koichi Chida et al.
Today, interventional radiology (IR) X-ray units are required for display of doses at an interventional reference point (IRP) for the operator (IR physician). The dose displayed at the IRP (the reference dose) of an X-ray unit has been repo...
Comparative Study
Radiological physics and technology. 2011 Jul;4(2):189-93. DOI:10.1007/s12194-011-0121-6 2011
Accelerated hippocampal volume reduction in post-menopausal women: an additional study with Atlas-based method [0.03%]
绝经期后女性海马体积加速缩小:基于图谱的测量方法的一项研究
Masami Goto,Osamu Abe,Tosiaki Miyati et al.
Masami Goto et al.
Our aim in the present additional study was to investigate the absolute hippocampal volume in normal adults who were divided into eight groups according to their age and gender, because our previous study with voxel-based morphometry (VBM) ...
Comparative Study
Radiological physics and technology. 2011 Jul;4(2):185-8. DOI:10.1007/s12194-011-0120-7 2011
Comparison of target coverage and dose to organs at risk between simultaneous integrated-boost whole-field intensity-modulated radiation therapy and junctioned intensity-modulated radiation therapy with a conventional radiotherapy field in treatment of nasopharyngeal carcinoma [0.03%]
同时整场调强放疗与接合式调强放疗联合常规分割放射治疗在鼻咽癌治疗中的靶区覆盖及危器官剂量对比研究
Jin-Beom Chung,Jeong-Woo Lee,Jae-Sung Kim et al.
Jin-Beom Chung et al.
We have retrospectively investigated 15 nasopharyngeal carcinoma patients treated at our institution between March 2007 and August 2009. We used simultaneous integrated-boost whole field intensity-modulated radiation therapy (SIB WF-IMRT) t...
Comparative Study
Radiological physics and technology. 2011 Jul;4(2):180-4. DOI:10.1007/s12194-011-0119-0 2011
Development of terminology for mammographic techniques for radiological technologists [0.03%]
放射科技师乳腺摄影技术术语的开发
Ayako Yagahara,Yuki Yokooka,Shintaro Tsuji et al.
Ayako Yagahara et al.
We are developing a mammographic ontology to share knowledge of the mammographic domain for radiologic technologists, with the aim of improving mammographic techniques. As a first step in constructing the ontology, we used mammography refer...
Estimation of focal and extra-focal radiation profiles based on Gaussian modeling in medical linear accelerators [0.03%]
基于医用直线加速器高斯模型的焦内和焦外辐射剂量分布估计方法研究
Shigeo Anai,Hidetaka Arimura,Katsumasa Nakamura et al.
Shigeo Anai et al.
The X-ray source or focal radiation is one of the factors that can degrade the conformal field edge in stereotactic body radiotherapy. For that reason, it is very important to estimate the total focal radiation profiles of linear accelerato...
Copper filtration in pediatric digital X-ray imaging: its impact on image quality and dose [0.03%]
铜滤过在儿科数字化X射线成像中的影响:对图像质量和剂量的影响
Philippe Brosi,Anja Stuessi,Francis R Verdun et al.
Philippe Brosi et al.
The effect of copper (Cu) filtration on image quality and dose in different digital X-ray systems was investigated. Two computed radiography systems and one digital radiography detector were used. Three different polymethylmethacrylate bloc...