Results 41 to 50 of about 40,540 (198)
Influence of Pitch on Surface Dose Distribution and Image Noise of Computed Tomography Scans
Sensors, 2023 This study evaluated the effect of pitch on 256-slice helical computed tomography (CT) scans. Cylindrical water phantoms (CWP) were measured using axial and helical scans with various pitch values. The surface dose distributions of CWP were measured, and
Kenji Yamada +8 more
doaj +1 more source
, 2016 Markov random fields (MRFs) have been widely used as prior models in various inverse problems such as tomographic reconstruction. While MRFs provide a simple and often effective way to model the spatial dependencies in images, they suffer from the fact ...
Bouman, Charles A. +5 more
core +1 more source
Real time evaluation of overranging in helical computed tomography [PDF]
Physica Medica, 2014 5 figures, 3 ...
Trevisan, Diego +3 more
openaire +3 more sources
Helical Multidetector Row Quantitative Computed Tomography (QCT) Precision
Academic Radiology, 2009 The impact of varying image acquisition parameters on the precision of measurements using quantitative computed tomography is currently based on studies performed before the advent of helical image acquisition and multidetector-row scanners. The aim of this study was to evaluate helical multidetector-row quantitative computed tomography to determine ...
Michael Bligh +5 more
openaire +3 more sources
Pneumatization of the sphenoid sinus, dorsum sellae and posterior clinoid processes in computed tomography [PDF]
, 2018 Purpose: Assessment of sphenoid sinus (SS), posterior clinoid process (PCP), and dorsum sellae (DS) pneumatisation is significant when planning surgical approaches both to intra- and extrasellar pathologies. The authors analysed pneumatisation of the SS,
Ilków, Wojciech +3 more
core +1 more source
Journal of Synchrotron Radiation, 2023 Visualization of low-density tissue scaffolds made from hydrogels is important yet challenging in tissue engineering and regenerative medicine (TERM).
Xiaoman Duan +5 more
doaj +1 more source
The Correlation of Dyslipidemia with the Extent of Coronary Artery Disease in the Multiethnic Study of Atherosclerosis. [PDF]
, 2018 BackgroundThe extent of coronary artery calcium (CAC) improves cardiovascular disease (CVD) risk prediction. The association between common dyslipidemias (combined hyperlipidemia, simple hypercholesterolemia, metabolic Syndrome (MetS), isolated low high ...
Abd Alamir, Moshrik +7 more
core +4 more sources
HELICAL CT SCAN IN EVALUATION OF METASTATIC NECK ADENOPATHY
Journal of the Dow University of Health Sciences, 2008 Objective: To determine the diagnostic accuracy o f helical com puted tom ography (CT) in detection of m etastatic neck lymphadenopathy with histopathological correlation. Design: Comparative cross sectional study.
Amber Paras, Bushra Rehan
doaj +4 more sources
Ultrasound and helical computed tomography in the diagnosis of retroperitoneal extravisceral masses
Revista Electrónica Dr. Zoilo E. Marinello Vidaurreta, 2018 Background: the study of retroperitoneal extravisceral masses with conventional radiology is almost impossible; however, computed tomography and ultrasound are considered the first line of diagnostic modality as a solution to this problem.Objective: to ...
Damarys Pairol-Ramos +4 more
doaj
Gastrointestinal hemorrhage caused by small intestinal benign tumors: 2 cases report
The Pan African Medical Journal, 2019 Gastrointestinal bleedings caused by small intestinal tumors are rare and difficult to diagnose because they are not easy to access to the conventional endoscopy.
Mohamed Kane +7 more
doaj +1 more source