[PDF] Top 20 Efecto de la suplementación de la harina de yuca (manihot sculenta crantz) en la ganancia de peso vivo en pollos de engorde de la línea Cobb 500
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Emphysema quantification using chest CT: influence of radiation dose reduction and reconstruction technique
... of dose and reconstruction on emphysema quan- tification, there are several ...of emphysema with IR, the sample size was too small to give a clear recommendation about the optimal thresh- ... See full document
5
CT of the chest with model-based, fully iterative reconstruction: comparison with adaptive statistical iterative reconstruction
... (bulla, emphysema, or cyst) on low-dose MBIR CT was slightly better than on low-dose FBP and ASIR CT, and similar to that on standard-dose FBP ...MBIR CT and ... See full document
6
Image quality improvement using model-based iterative reconstruction in low dose chest CT for children with necrotizing pneumonia
... Low-dose CT is widely used and necessary, but trad- itional FBP reconstruction technique provides limited image quality to balance spatial resolution and image noise when using low ... See full document
6
Optimization of pulmonary emphysema quantification on CT scans of COPD patients using hybrid iterative and post processing techniques: correlation with pulmonary function tests
... other emphysema quantification software has become ...scanner, radiation dose, and the reconstruction ...of emphysema measured using various emphysema ... See full document
13
Dose Efficiency in Dual Source High Pitch Computed Tomography of the Chest
... slice CT group) versus 58.4 years (15.6 years standard deviation, 16 slice CT group), while the female-to-male ratios were 21:29, 19:31, and 24:26, ...average radiation exposure in terms of DLP was ... See full document
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Radiation Dose Reduction by Indication Directed Focused z Direction Coverage for Neck CT
... neck CT on a 64-section CT scanner (LightSpeed VCT; GE Healthcare, Milwaukee, Wisconsin) at a tertiary care children’s hospital between August 1, 2013, and Sep- tember 30, ...neck, chest, abdomen, ... See full document
20
Pilot Study of Radiation Dose Reduction for Pediatric Head CT in Evaluation of Ventricular Size
... original dose. We showed that simulated reduction to 10% of the standard dose was diagnostically ...all dose levels and re- construction kernels without compromising diagnostic perfor- ... See full document
21
Radiation Dose Reduction in CT Guided Spine Biopsies Does Not Reduce Diagnostic Yield
... All CT-guided spine biopsies were performed on a 4-channel CT scanner (Volume Zoom; Siemens, Erlangen, Germany) or 8-sec- tion CT scanner (LightSpeed Ultra; GE Healthcare, Milwaukee, Wisconsin) in ... See full document
47
Diagnosis of chronic obstructive pulmonary disease in lung cancer screening Computed Tomography scans: independent contribution of emphysema, air trapping and bronchial wall thickening
... mortality reduction in the CT arm compared to the chest radiography arm of the screening trial ...screening CT scans enable the evaluation of other smoking-induced diseases besides lung ... See full document
17
Two <em>CHRN </em>susceptibility variants for COPD are genetic determinants of emphysema and chest computed tomography manifestations in Chinese patients
... a chest high-resolution CT scan by a 320-slice spiral CT scanner (Toshiba Medical Systems, Otawara, Japan) at full ...each CT scan. The extent of radiographic emphysema was quanti- ... See full document
12
Deseive, Simon (2018): Kardiale Computertomographie: Reduktion der Strahlenbelastung sowie prognostische Bedeutung der koronaren Plaquelast. Habilitationsschrift, LMU München: Medizinische Fakultät
... In einer weiteren Arbeit untersuchten wir den prädiktiven Wert des CONFIRM (COronary CT Angiography EvaluatioN For Clinical Outcomes: An InteRnational Multicenter Registry) Score im Langzeit Follow-up [19]. Der ... See full document
5
Emphysema versus Chronic Bronchitis in COPD: Clinical and Radiologic Characteristics
... performed using a Siemens scanner (Siemens, Erlangen, ...spiration, using 1-mm collimation and a high-frequency spatial reconstruction ...viewed using a window level of −600 Hounsfield unit ... See full document
25
Low Kilovoltage CT of the Neck with 70 kVp: Comparison with a Standard Protocol
... for CT of many body regions, most CT examinations are nonetheless performed with a fixed tube potential of 120 kVp, irrespective of the body region and specific habitus of the patient, and so the potential ... See full document
34
Reproducibility of 3 mm Slice Thick Reconstruction of Paranasal Sinus Computed Tomography Scans
... Chronic rhinosinusitis (CRS) is a common, multifactorial and variable disease with a prevalence of around 10% - 16% [1]. The diagnostics of CRS is based on typical symptoms and clinical findings [1]. Computed tomogra- ... See full document
42
Lowering the Dose in Head CT Using Adaptive Statistical Iterative Reconstruction
... to minimize the difference between the actual image and the forward projection. Photon statistics are also put into this es- timation, updating flow. Abnormal measurements, which are deviated far from the adjacent ones, ... See full document
291
CT Metal Artifact Reduction in the Spine: Can an Iterative Reconstruction Technique Improve Visualization?
... by using an off-line computer ...the reconstruction with the prototype IMAR algo- rithm was ...image reconstruction time for each case because CT scan- ner image reconstruction systems ... See full document
6
ECR 2012 Book of Abstracts - E - Authors' Index
... Cardiac imaging: the cutting edge: A. Cardiac MRI: high fields vs 1.5T (RC 303), A-037 Wintersperger B.J., Sivagnanam M., Paul N.S., Diva D., Nguyen E., Crean A.M., Jimenez Juan L., Wald R.M., Ley S. MR assessment of ... See full document
7
Breast Conservation From Radiation Damage by Using Nano Bismuth Shields in Chest Computed Tomography Scan
... accepted chest CT phantom for presenting the main organ of the chest including breast, lung, and ...205-3 CT, Monrovia, USA) was put in the 12 o’clock position of the PMMA phantom (body ... See full document
5
Validation of lung density indices by cardiac CT for quantification of lung emphysema
... repeated CT scans to evaluate ...between emphysema indices derived from chest CT vs cardiac ...cardiac CT scans; however, pathological conditions were not the cause of cardiac CT ... See full document
19
Evaluation of a ct head radiation dose reduction protocol in children using anatomical delineation, diagnostic confidence and imaging quality of ct brain as parameters
... head, chest and abdominal CT studies. They found that paediatric CT radiation doses can be significantly reduced from manufacturer’s default protocol while still maintaining anatomical ... See full document
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