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(ALARA)
524 results
  • Interest of URS-L in the Treatment of Ureterolithiasis in Preschool Children. [Journal Article]
    Front Pediatr 2019; 7:324Halinski A, Halinski A, … Steyaert H
  • Urolithiasis can affect all children even preschool ones. Diagnostic difficulties in the youngest children are due to the problems in locating pain and determining its character and severity. In keeping with the ALARA (As Low As Reasonably Achievable) protocol, the number of imaging tests possible to perform is very limited. Ultrasound is the first line exam of choice. After diagnosis of the pres…
  • Improvement principles. [Journal Article]
    J Safety Res 2019; 69:33-41Hansson SO
  • The improvement principles are a group of safety principles whose central message is that no risk level above zero is fully satisfactory, and that we should therefore always strive to improve safety. The major safety principles in this group are: as low as reasonably achievable (ALARA), best available technology (BAT), the substitution principle, vision zero, and continuous improvement.
  • A convolutional neural network for ultra-low-dose CT denoising and emphysema screening. [Journal Article]
    Med Phys 2019; 46(9):3941-3950Zhao T, McNitt-Gray M, Ruan D
  • CONCLUSIONS: This work provides a tailored DnCNN for (ultra-)low-dose CT denoising, and demonstrates significant improvement on both the image quality and the clinical emphysema quantification accuracy over various dose levels. The clinical conclusion of emphysema obtained from the denoised low-dose images agrees well with that from the full-dose ones.
  • Radiation doses with various body weights of phantoms in brain 128-slice MDCT examination. [Journal Article]
    J Radiat Res 2019; 60(4):466-475Lin HC, Lai TJ, … Chen CY
  • The effective dose (HE) and organ or tissue equivalent dose (HT) for use in brain computed tomography (CT) examinations with various body weights were evaluated. Thermoluminescent dosimeters (TLD-100H) were inserted into Rando and five anthropomorphic phantoms. These phantoms were made of polymethylmethacrylate (PMMA), according to the specifications of ICRU 48, with masses from 10 to 90 kg. Brai…
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