[PDF] Top 20 Radiation Dose Reduction in Paranasal Sinus CT Using Model Based Iterative Reconstruction
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Radiation Dose Reduction in Paranasal Sinus CT Using Model Based Iterative Reconstruction
... Image quality assessment is reported in Table 2 and illustrated in Fig 2. Com- pared with bone-containing structures (cribriform plate, lamina papyracea, mid- dle turbinate, nasal septum), the soft-tis- sue structures ... See full document
6
Impact of Model Based Iterative Reconstruction on Image Quality of Contrast Enhanced Neck CT
... for radiation-dose reduction to the thyroid ...in CT images reconstructed with the MBIR algorithm remains un- known, though we believe that it is at least partly related to the current noise ... See full document
6
Three-dimensional computed tomography dose optimisation and image quality improvement of abdomen-pelvis using adaptive-iterative dose reduction
... of CT by 161% from 1990 till 1994, based on a national survey (Ng et ...reduce radiation dose from CT in the population is to reduce the CT-related dose in individual ... See full document
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<p>Low-dose computed tomography of urolithiasis in obese patients: a feasibility study to evaluate image reconstruction algorithms</p>
... multiple CT procedures, combined with the dif fi culties associated with scanning obese patients using standard fi ltered-back projection (FBP), several CT image reconstruction algorithms have ... See full document
7
Comparison of CT Dose Reduction Algorithms in a Porcine Model
... porcine model for qualitative and quantitative assessment of the di- agnostic quality of non-contrast abdominal computed tomography (CT) images generated by Adaptive Statistical Iterative ... See full document
9
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 ... See full document
8
Performance of Iterative Image Reconstruction in CT of the Paranasal Sinuses: A Phantom Study
... statistical iterative reconstruction on liver CT, recommended the use of balanced reconstruction preferences with a mild itera- tive influence to prevent a “waxy” image impression that may ... See full document
5
Reproducibility of 3 mm Slice Thick Reconstruction of Paranasal Sinus Computed Tomography Scans
... is based on typical symptoms and clinical findings ...the sinus wall ...in paranasal sinuses [2] ...is dose-reduction potential of CT scans ... See full document
10
A simple method for low-contrast detectability, image quality and dose optimisation with CT iterative reconstruction algorithms and model observers
... effective dose per year to the population in European countries, due to X-ray pro- cedures, is about ...this dose (range ...of CT exams was 117 per 1000 inhabitants, with an average dose per ... See full document
10
CT of the chest with model-based, fully iterative reconstruction: comparison with adaptive statistical iterative reconstruction
... that radiation doses of chest CT may be further decreased with ...noise reduction and subsequent dose ...the reconstruction algorithms of the images to some extent because of ... See full document
8
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 ...strategies based on individual ... See full document
7
Quantitative Analysis of the Effect of Iterative Reconstruction Using a Phantom: Determining the Appropriate Blending Percentage
... In quantitative texture analysis, the results met expecta- tions. With an increase in ASIR blending percentage, image homogeneity (ASM and IDM values) and consistency in tex- ture along certain lines (correlation) also ... See full document
9
Deseive, Simon (2018): Kardiale Computertomographie: Reduktion der Strahlenbelastung sowie prognostische Bedeutung der koronaren Plaquelast. Habilitationsschrift, LMU München: Medizinische Fakultät
... 25 CT-Angiographie. In der CT-Angiographie Gruppe traten Tod aufgrund einer Koronaren Herzerkrankung und nicht-tödlicher Myokardinfarkt während einer medianen Nachbeobachtungszeit von 1,7 Jahren numerisch ... See full document
49
Case Report Diffuse large B-cell lymphoma of the maxillary sinus in a patient with acquired immunodeficiency syndrome: a case report
... the paranasal sinuses of HIV-infected patients are ...maxillary sinus in a patient with ...maxillary sinus with AIDS in the English-language literature presenting as nasal cavity, infratemporal ... See full document
6
Low Dose CT for Craniosynostosis: Preserving Diagnostic Benefit with Substantial Radiation Dose Reduction
... ies at 10% and 2% of the original dose. This could have resulted in bias during subjective image quality evaluation, despite the read- ers being blinded to technical data. In addition, the design of our ... See full document
6
Can Iterative Reconstruction Improve Imaging Quality for Lower Radiation CT Perfusion? Initial Experience
... To our knowledge, this is the first study to explore the rela- tionship between IR and perfusion parameters in CTP. In our initial experience, lower dose CTP can save up to 20% of the dose with the same ... See full document
6
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 mGy. Images were recon- structed by using an IR algorithm ... See full document
5
Radiation dose reduction in CT-guided periradicular injections in lumbar spine: Feasibility of a new institutional protocol for improved patient safety
... hospital using a newly established low-dose-CT-protocol for periradicular injections in patients suffering from lumbar disc herniation and nerve root ...measured dose length product (mGycm2), ... See full document
5
Iterative Reconstruction in Head CT: Image Quality of Routine and Low Dose Protocols in Comparison with Standard Filtered Back Projection
... Qualitative analysis of images was independently performed by 2 board-certified, subspecialty-certified readers (A.K.) and (M.F.) with 3 and 4 years of training in neuroradiology. Before the grading of study images, the ... See full document
7
Repeated Head CT in the Neurosurgical Intensive Care Unit: Feasibility of Sinogram Affirmed Iterative Reconstruction–Based Ultra Low Dose CT for Surveillance
... Scanner selection was based on availability. If the patient was scanned on the non-IR-equipped machine, a FBP-based SDCT was performed. If the IR-equipped scanner was available, our standard clinical LDCT ... See full document
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