[PDF] Top 20 High Performance Optical Computed Tomography for Accurate Three-Dimensional Radiation Dosimetry
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High Performance Optical Computed Tomography for Accurate Three-Dimensional Radiation Dosimetry
... precise radiation therapy will not come ...For radiation therapy, the required ac- curacy of dose delivery to a reference point in a patient is ± 5%, with a spatial accuracy within 5 mm (each at the 95% ... See full document
256
Monte Carlo Simulation in Radionuclide Therapy Dosimetry
... or Computed Tomography (CT) is usually expressed in three dimensions in voxel format, with typical resolutions of 1mm ...provide three- dimensional (3D) distributions of activity inside ... See full document
6
Dosimetric Comparison of Intensity Modulated Radiotherapy versus Three Dimensional Conformal Radiotherapy for Patients with Brain Tumors
... and three-dimensional conformal ...the dosimetry of intensity-modulated radiation therapy (IMRT) and three-dimensional conformal radiation therapy (3DCRT) techniques in ... See full document
12
<p>Clinical features of three-dimensional computed tomography-based radiologic phenotypes of chronic obstructive pulmonary disease</p>
... puted tomography images (Aquilion 64; Toshiba Medical Systems, Tokyo, Japan) obtained in the supine position at the full-inspiration breath-hold using image analysis soft- ware (SYNAPSE VINCENT; Fuji fi lm, Tokyo, ... See full document
10
Comparison of internal target volumes defined on 3-dimensional, 4-dimensonal, and cone-beam CT images of non-small-cell lung cancer
... In the present study, the CBCT can encompass tumor motion well, but the respiratory motion information included in CBCT is less than that in 4DCT. The individual ITV derived from 4DCT can generally encompass the tumor ... See full document
7
Chinese specialist consensus on imaging diagnosis of intracranial arterial dissection
... (2) Computed tomography with CTA, or MRI with MRA, are recommended for initial ...achieve accurate evaluation of the shape of the lumen, hemodynamic status, and the collateral circulation of the ... See full document
14
MDCT angiographic findings of various congenital pulmonary artery anomalies in pediatric patients
... establish accurate measure- ments of the luminal diameter of the pulmonary ar- tery that correlate highly with findings at cardiac catheterization ...its performance may be lack- ing in terms of ... See full document
13
Research on Gamma Ray Detections using Fiber Optic Radiation Sensors
... incident radiation and the ...of radiation. In optical sensor, scintillating material is used as sensing ...the optical system, the interrogated or reference wavelength is used in order to ... See full document
5
Three-Dimensional Computed Tomography Measurements of Pulmonary Artery Volumes: Development and Application
... a three-dimensional (3D) quantification of PA size would be more sensitive than 1D methods and encompass morphological changes along the entire central ...x-ray computed tomography (CT) ... See full document
99
A Heterogeneous Patient-Specific Biomechanical Model of the Lung for Tumor Motion Compensation and Effective Lung Radiation Therapy Planning
... for radiation therapy planning are often low contrast and include breathing-induced artifacts that affects image interpretation, especially within the areas close to the diaphragm surface as shown in Figure ... See full document
129
Surgical treatment of rectal cancer with a Retzius shunt: a case report
... 10. Murono K, Kawai K, Ishihara S, Otani K, Yasuda K, Nishikawa T, et al. Evaluation of the vascular anatomy of the right-sided colon using three- dimensional computed tomography angiography: ... See full document
5
Computational fluid dynamics study of intra-arterial chemotherapy for oral cancer
... ECA, accurate blood flow is required in the 3D ...provide accurate outlet pres- sure (see Ohhara [9]), we decided to use the 0D resistance model for this ... See full document
26
Original Article A comparative study of four- and three-dimensional computed tomography simulation in determining displacement and volume for target region of primary tumor in esophageal carcinoma
... obtain three-dimensional space coordi- nation for IGTV 4D , IGTV 4D’ and IGTV 3D and vol- ume under same coordinate system and record through Pinnacle 3 (Version ... See full document
7
Three-dimensional computed tomography evaluation of craniofacial characteristics according to lateral deviation of chin
... To be best of our knowledge, this is the first study to evaluate craniofacial characteristics associated with the lateral deviation of chin using 3-dimensional imaging mo- dalities. Considering the high ... See full document
8
Radiation Risk to Children From Computed Tomography
... professional ultimately decides whether a CT examina- tion is necessary. With this important role comes a re- sponsibility to recognize both the value of CT and its risks, which, as described previously, it is reasonable ... See full document
8
Rationale and design of a prospective study on the first integrated PET/dual-energy CT system for staging and image-based radiation therapy planning of lung cancer
... receive radiation therapy for locally ad- vanced lung cancer will be simulated with immobilization to assure reproducibility of the ...Four-dimensional radiation planning is required and can include ... See full document
6
Assessment of Cancer Risks Associated with Patient Organ Doses from Medical Diagnostic Computed Tomography in Bangladesh
... The present work has been done for the assessment of radiation dose to patients and to optimize the dose in diagnostic CT. Some measurements were performed and comparisons of the measured data with established ... See full document
5
High Quality Three Dimensional Computed Tomography Angiography of Abdominal Viscera with Small Focal Spot, Low Tube Voltage, and Iterative Model Reconstruction Technique
... a high-detail image with high spatial ...and high power, whereas high-resolution images with thin slices require a small focal ...of high-output X-ray tubes for MDCT scanners has ... See full document
6
Efficacy of three-dimensional roadmapping by fusion of computed tomography angiography with volumetric data from an angiography machine in endovascular therapy for iliac chronic total occlusion: a case report
... our radiation technical physician constructed a virtual occlusive vessel by analyzing the central line of the occluded vessel to be treated with curved multipla- nar reconstruction images obtained from thin-slice ... See full document
5
Recent advances in radiotherapy and its associated side effects in cancer—a review
... of radiation will im- prove the target covering and thereby decreasing the damage to the surrounding ...the radiation treatment using X-rays which includes the scanning of the tumor site such that the ... See full document
10
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