[PDF] Top 20 The Use of Adaptive Statistical Iterative Reconstruction in Pediatric Head CT: A Feasibility Study

... practical use of IR, and IR techniques are becoming increas- ingly used in the clinical ...major CT manufactur- ers have recently introduced IR algorithms for their respective CT units, which include ... See full document

... abdominal CT where many solid organ lesions are frequently low ...the use of ASiR ™ in very low dose protocols, which might be used on the smallest paediatric ... See full document

... the feasibility of 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 ... See full document

... 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

... varied use of scanner and reconstruction methods left subtle but recog- nizable differences in the appearance of the ...and reconstruction kernels on im- age quality and radiation ...and CT ... See full document

... this study, the use of medical imaging was approved by Medical Ethical Committee of The First Affiliated Hospital of Zhengzhou ...spectral CT scan between December 2013 and November 2014, but only 62 ... See full document

... 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

... standard reconstruction algorithm for the posterior fossa; and 270-mA tube current, 1-second tube rotation time, 120-kVp tube voltage, 2 ⫻ 5 mm section thickness, 25-cm FOV, a standard recon- struction algorithm ... See full document

... 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 standard-dose FBP ... See full document

... maximization iterative reconstruction algorithm (Flash 3D, Siemens) that incorporated CTAC as well as collimator-specific resolution recovery and a dual-energy-window scatter correction [35] ...The ... See full document

... Computed Tomography (CT) is an imaging technique that allows visualization of interior structures. With CT, an object can be virtually reconstructed based on multiple X- ray projection images which are ... See full document

... The experiments revealed major observations; as the number of projections within a given angular range was increased, the quality of reconstructed image appeared better for analytical and iterative algorithms. The ... See full document

... C-arm CT images were acquired in 28 patients under an insti- tution-approved ...C-arm CT acquisition (syngo DynaCT Head 20-second protocol; Siemens AG) is routinely acquired as part of our clinical ... See full document

... The use of the SAFIRE 1 reconstruction technique with a reduced tube current–time product of 260 mAs could achieve the same image quality as a standard examination at 340 ...standard use, we recom- ... See full document

... bone CT, in which high spatial resolution is critical. In this study, we found that the UHR-IR scan mode by using a z-deconvolution technique pro- duced resolutions similar to or slightly better than those ... See full document

... noncontrast head CT examinations: “CT BRN WO IVCON,” “CT HEAD BRN WO IVCON,” “CT HEAD BRN DUAL ENG CT WO IVCON,” “CT HEAD MLTPL AREA SM BDY REG WO ... See full document

... the use of constraints (like nonnegativity) and prior information are well known techniques to improve the quality of the obtained solution because incorporate prior physical knowledge about the solution leads to ... See full document

... this study, we used indocyanine green (ICG) with infrared camera imaging (the HyperEye Medical System [HEMS]; Mizuho Medical Co, Ltd, Tokyo, Japan) in order to investigate dynamic imaging as observed between ... See full document

... The accuracy of each reader’s ventricular size rankings were com- pared with the reference standard for each dose level and reconstruc- tion method. The sensitivity and accuracy for moderate and severe hydrocephalus were ... See full document

... Patients were observed and evaluated by hospital staff for a minimum of 4 hours after their surgery. Immediate postoperative pain was treated with intravenous morphine at incremental doses of 1–2 mg, as needed to achieve ... See full document