[PDF] Top 20 Lowering the Dose in Head CT Using Adaptive Statistical Iterative Reconstruction
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Lowering the Dose in Head CT Using Adaptive Statistical Iterative Reconstruction
... radiation dose burden of radiologic examinations, dose-reduction strategies for CT have attracted marked interest among the research ...radiation dose in CT, relatively old ... See full document
5
Cranial CT with Adaptive Statistical Iterative Reconstruction: Improved Image Quality with Concomitant Radiation Dose Reduction
... of CT datasets, and Health Insurance Portability and Accountability Act⫺compliant practices were used during this ...adult head CT studies performed during April and May 2009 for all indications by ... See full document
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Full Dose Reduction Potential of Statistical Iterative Reconstruction for Head CT Protocols in a Predominantly Pediatric Population
... 60% adaptive statistical iterative reconstruction for the soft reconstruction kernel (at both 100 and 120 kV[peak]) and up to 40% adaptive statistical iterative ... See full document
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The Use of Adaptive Statistical Iterative Reconstruction in Pediatric Head CT: A Feasibility Study
... major CT manufactur- ers have recently introduced IR algorithms for their respective CT units, which include ASIR (GE Healthcare, Milwaukee, Wiscon- sin), IRIS (Siemens, Erlangen, Germany), Adaptive ... See full document
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Phantom study of the impact of adaptive statistical iterative reconstruction (ASiRTM) on image quality for paediatric computed tomography
... radiation dose and diagnostic task and considering patient varia- tion in weight from 2 kg neonates to adolescents who may weigh over 100 ...abdominal CT where many solid organ lesions are frequently low ... See full document
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Image quality improvement using model-based iterative reconstruction in low dose chest CT for children with necrotizing pneumonia
... for CT, the desire to reduce ra- diation dose also ...(FBP) reconstruction limits the possibility of further reducing the radiation dosage, especially when higher spatial resolution and thinner image ... See full document
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Radiation Dose Reduction in Paranasal Sinus CT Using Model Based Iterative Reconstruction
... radiation dose by reducing im- age noise without improving bone ...radiation dose reduction in sinus CT must balance noise reduction and bone ...sinus CT should include the option of a ... See full document
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Quantitative Analysis of the Effect of Iterative Reconstruction Using a Phantom: Determining the Appropriate Blending Percentage
... of adaptive statistical it- erative reconstruction (ASIR) in a reduced radiation dose while preserving a de- gree of image quality and texture that is similar to that of standard-dose ... See full document
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A pilot study using low-dose Spectral CT and ASIR (Adaptive Statistical Iterative Reconstruction) algorithm to diagnose solitary pulmonary nodules
... the CT numbers of pulmonary nodules on iodine- enhanced image with that on enhanced weighted average images The results of both the CT number on iodine- enhanced images and the degree of enhancement showed ... See full document
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CT of the chest with model-based, fully iterative reconstruction: comparison with adaptive statistical iterative reconstruction
... MBIR CT was slightly better than on low-dose FBP and ASIR CT, and similar to that on standard-dose FBP ...MBIR CT and standard-dose FBP ...MBIR CT can be alternative to ... See full document
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Three-dimensional computed tomography dose optimisation and image quality improvement of abdomen-pelvis using adaptive-iterative dose reduction
... the dose received exceeded dose reference levels (Rehani et ...from CT radiation in adults are not negligible. Consequently, CT examinations justification and dose optimisation are ... See full document
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A simple method for low-contrast detectability, image quality and dose optimisation with CT iterative reconstruction algorithms and model observers
... various reconstruction algorithms for low-contrast details identification, on the other hand the standard deviation is a good descriptor of inter-observer’s variability of image quality ...image ... See full document
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The Added Value of Volume of Interest C Arm CT Imaging during Endovascular Treatment of Intracranial Aneurysms
... C-arm CT images were acquired in 28 patients under an insti- tution-approved ...by using a flow-di- verter device (Pipeline Embolization Device; Covidien, Irvine, ...C-arm CT acquisition (syngo ... See full document
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Temporal Bone CT: Improved Image Quality and Potential for Decreased Radiation Dose Using an Ultra High Resolution Scan Mode with an Iterative Reconstruction Algorithm
... radiation dose, especially in temporal bone CT, in which high spatial resolution is ...by using a z-deconvolution technique pro- duced resolutions similar to or slightly better than those produced by ... See full document
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Evaluation of a ct head radiation dose reduction protocol in children using anatomical delineation, diagnostic confidence and imaging quality of ct brain as parameters
... from CT head old to be 0.07% and from CT abdomen to be brain is significantly more radiosensitive than was previously thought, the risk The estimated risk of cancer death for those undergoing ... See full document
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Emphysema quantification using chest CT: influence of radiation dose reduction and reconstruction technique
... performed using SPSS version 21 (SPSS Inc., Chicago, IL, USA). The routine dose acquisi- tion reconstructed with FBP was used as the reference ...each dose level to FBP and post-hoc analyses were ... See full document
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Acute Intracranial Hemorrhage in CT: Benefits of Sinogram Affirmed Iterative Reconstruction Techniques
... because CT is frequently in use for patients with head trauma, every effort should be made to keep the dose as low as reasonably ...patient dose have been investi- gated including routine use ... See full document
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A Comparative Study of Analytical, Iterative and Bayesian Reconstruction Algorithms in Computed Tomography (CT)
... obtained using tomographic acquisition and processing ...acquired using reconstruction ...and iterative methods of reconstruction in computed tomography (CT) is presented in this ... See full document
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Improved Image Quality in Head and Neck CT Using a 3D Iterative Approach to Reduce Metal Artifact
... anatomic reconstruction, and planning radiation ...make CT an important al- ternative option for many patients. Thus, CT is used frequently ... See full document
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Performance of Iterative Image Reconstruction in CT of the Paranasal Sinuses: A Phantom Study
... and reconstruction technique evaluated the sharpness of relevant structures (frontal and maxillary sinus, ethmoidal sinus, sphenoidal roof, bony or- bital boundaries, mastoid cells) within the images on a 5-point ... See full document
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