[PDF] Top 20 Radiation Dose Reduction in Temporal Bone CT with Iterative Reconstruction Technique
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Radiation Dose Reduction in Temporal Bone CT with Iterative Reconstruction Technique
... of radiation exposure in patients, increasing radia- tion doses to the population have created a compelling case for reduction of radiation exposure from ...and CT technology have been ... See full document
7
Radiation Dose Reduction in Paranasal Sinus CT Using Model Based Iterative Reconstruction
... available iterative reconstruction techniques from the major CT vendors must largely be viewed as a “black box,” because radia- tion dose-reduction strategies allow a competitive ... See full document
6
Three-dimensional computed tomography dose optimisation and image quality improvement of abdomen-pelvis using adaptive-iterative dose reduction
... of radiation-induced cancer is highly relevant (Shah et ...the dose received exceeded dose reference levels (Rehani et ...to radiation (Valentin 2007; Feng et ...from CT ... See full document
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Iterative Reconstruction in Head CT: Image Quality of Routine and Low Dose Protocols in Comparison with Standard Filtered Back Projection
... at reduction of image noise and not at reduction of potential image artifacts, such as conebeam arti- facts, which are not a severe problem anyway in CT systems with relatively small detector width ... See full document
7
CT Metal Artifact Reduction in the Spine: Can an Iterative Reconstruction Technique Improve Visualization?
... Recommendation for Clinical Practice. Finally, the neuroradiologist readers as- signed recommendations for clinical use of IMAR images and their estimated im- pact on diagnostic confidence. Impact on diagnostic ... See full document
7
2 Milisievert Low Dose Dedicated Breast CT with Iterative Model Reconstruction Technique in Evaluation of Breast Mass: Feasibility Study in Comparison with MRI
... low dose dedicated computed tomography (CT) with IMR technique compared with magnetic resonance imaging (MRI) in preoperative evaluation of breast ...Dedicated CT and breast MRI were performed ... See full document
7
Quantitative Analysis of the Effect of Iterative Reconstruction Using a Phantom: Determining the Appropriate Blending Percentage
... 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 computed tomography ...The CT ... See full document
9
Radiation Dose Reduction by Indication Directed Focused z Direction Coverage for Neck CT
... Helical acquisitions were obtained. Imaging parameters were as follows: 100 –140 kV; Automatic Exposure Control; 64 ⫻ 0.625 mm detector; gantry rotation time, 0.5 seconds; pitch, 0.96875; and a soft-tissue ... See full document
5
Experimental Study and Optimization of Scan Parameters That Influence Radiation Dose in Temporal Bone High Resolution Multidetector Row CT
... the radiation beam in helical ...The radiation dose to a patient may decrease as pitch is increased, due to the reduction in the overlap of successive rotations; however, the degree of ... See full document
6
Full Dose Reduction Potential of Statistical Iterative Reconstruction for Head CT Protocols in a Predominantly Pediatric Population
... of dose-reduced statistical IR data was grouped ac- cording to similar amplitudes (ie, the measure of noise variance) by reconstruction kernel type (ie, soft, standard, or bone), and kilovolt peak ... See full document
7
Temporal Bone CT: Improved Image Quality and Potential for Decreased Radiation Dose Using an Ultra High Resolution Scan Mode with an Iterative Reconstruction Algorithm
... tion CT scanner (Somatom Definition Flash; Siemens) by using the UHR scan mode (16 ⫻ ...volume CT dose index was 82 ...(sinogram-affirmed iterative reconstruction, SAFIRE; Siemens) with ... See full document
5
Low Dose CT for Craniosynostosis: Preserving Diagnostic Benefit with Substantial Radiation Dose Reduction
... ferent radiation dose were reviewed in separate sessions, with a required minimum of 7 days between each ...and radiation dose level, evaluated images on a computer workstation (Advantage Win- ... See full document
6
A Comparison of Reconstruction Algorithms Regarding Exposure Dose Reductions during Digital Breast Tomosynthesis
... DBT reconstruction methods have been explored previously [3] ...and radiation dose. One recent CT technique, iterative reconstruction (IR), was found to effectively ... See full document
11
Lowering the Dose in Head CT Using Adaptive Statistical Iterative Reconstruction
... the radiation dose burden of radiologic examinations, dose-reduction strategies for CT have attracted marked interest among the research ...the radiation dose in ... See full document
5
Emphysema quantification using chest CT: influence of radiation dose reduction and reconstruction technique
... 5], CT densitometry of the lungs has demonstrated it to be as- sociated with airflow obstruction, forced expiratory volume in 1 s and severity according to the Global initiative for chronic Obstructive Lung ... See full document
10
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
8
Cranial CT with Adaptive Statistical Iterative Reconstruction: Improved Image Quality with Concomitant Radiation Dose Reduction
... of iterative-reconstruction algorithm on diagnostic performance, particularly at very high ASIR lev- els, and for definition of an “optimal” level of ASIR effect, particularly with different section ...of ... See full document
7
Can Iterative Reconstruction Improve Imaging Quality for Lower Radiation CT Perfusion? Initial Experience
... The CT perfusion protocol was as follows: FOV, 20 cm; matrix, 512 ⫻ 512; scan range, 8 cm from the sella floor to the high ...fixed temporal resolution of ... See full document
6
Deseive, Simon (2018): Kardiale Computertomographie: Reduktion der Strahlenbelastung sowie prognostische Bedeutung der koronaren Plaquelast. Habilitationsschrift, LMU München: Medizinische Fakultät
... on Radiation Dose Estimates of Cardiac CT Angiography in Patients Scanned with a High-Pitch Helical Scan Strategy) haben wir 2 Strategien in einer prospektiven, randomisierten, internationalen, ... 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
... a reduction in radiation dose have been recently raised during CT acquisitions (Tang et ...reducing CT radiation dose (Sohaib et ...Although CT comprises a ... See full document
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