Dual-energy CT: general principles
TRC Johnson - American Journal of Roentgenology, 2012 - Am Roentgen Ray Soc
OBJECTIVE. In dual-energy CT (DECT), two CT datasets are acquired with different x-ray
spectra. These spectra are generated using different tube potentials, partially also with …
spectra. These spectra are generated using different tube potentials, partially also with …
Intravenous contrast medium administration and scan timing at CT: considerations and approaches
KT Bae - Radiology, 2010 - pubs.rsna.org
The continuing advances in computed tomographic (CT) technology in the past decades
have provided ongoing opportunities to improve CT image quality and clinical practice and …
have provided ongoing opportunities to improve CT image quality and clinical practice and …
Deep learning reconstruction improves image quality of abdominal ultra-high-resolution CT
M Akagi, Y Nakamura, T Higaki, K Narita, Y Honda… - European …, 2019 - Springer
Objectives Deep learning reconstruction (DLR) is a new reconstruction method; it introduces
deep convolutional neural networks into the reconstruction flow. This study was conducted …
deep convolutional neural networks into the reconstruction flow. This study was conducted …
Material differentiation by dual energy CT: initial experience
TRC Johnson, B Krauss, M Sedlmair, M Grasruck… - European …, 2007 - Springer
The aim of this study was to assess the feasibility of a differentiation of iodine from other
materials and of different body tissues using dual energy CT. Ten patients were scanned on …
materials and of different body tissues using dual energy CT. Ten patients were scanned on …
Strategies for reducing radiation dose in CT
CH McCollough, AN Primak, N Braun… - Radiologic …, 2009 - radiologic.theclinics.com
High-end CT systems allow acquisition of isotropic volumetric data sets that permit high
quality reformatted images and images with less than 1 mm slice thickness. These …
quality reformatted images and images with less than 1 mm slice thickness. These …
Low-tube-voltage, high-tube-current multidetector abdominal CT: improved image quality and decreased radiation dose with adaptive statistical iterative …
Purpose To investigate whether an adaptive statistical iterative reconstruction (ASIR)
algorithm improves the image quality at low-tube-voltage (80-kVp), high-tube-current (675 …
algorithm improves the image quality at low-tube-voltage (80-kVp), high-tube-current (675 …
[HTML][HTML] Radiation dose reduction in computed tomography: techniques and future perspective
Despite universal consensus that computed tomography (CT) overwhelmingly benefits
patients when used for appropriate indications, concerns have been raised regarding the …
patients when used for appropriate indications, concerns have been raised regarding the …
Oncologic applications of dual-energy CT in the abdomen
MD Agrawal, DF Pinho, NM Kulkarni, PF Hahn… - Radiographics, 2014 - pubs.rsna.org
Dual-energy computed tomographic (DECT) technology offers enhanced capabilities that
may benefit oncologic imaging in the abdomen. By using two different energies, dual-energy …
may benefit oncologic imaging in the abdomen. By using two different energies, dual-energy …
Abdominal CT: comparison of low-dose CT with adaptive statistical iterative reconstruction and routine-dose CT with filtered back projection in 53 patients
Y Sagara, AK Hara, W Pavlicek… - American Journal of …, 2010 - Am Roentgen Ray Soc
OBJECTIVE. The purpose of this article is to retrospectively compare radiation dose, noise,
and image quality of abdominal low-dose CT reconstructed with adaptive statistical iterative …
and image quality of abdominal low-dose CT reconstructed with adaptive statistical iterative …
Increasing utilization of computed tomography in the adult emergency department, 2000–2005
J Broder, DM Warshauer - Emergency radiology, 2006 - Springer
This study aims to characterize changes in computed tomography (CT) utilization in the adult
emergency department (ED) over a 5-year period. CT scans ordered on adult ED patients …
emergency department (ED) over a 5-year period. CT scans ordered on adult ED patients …