Reliability of CT‐based texture features: Phantom study
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.12666
Abstract: Abstract Objective To determine the intra‐, inter‐ and test‐retest variability of CT‐based texture analysis (CTTA) metrics. Materials and methods In this study, we conducted a series of CT imaging experiments using a texture phantom to… read more here.
Keywords: based texture; scanner; ctta metrics; ctta ... See more keywords
Development of a vendor neutral MRI distortion quality assurance workflow
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13735
Abstract: Abstract With the utilization of magnetic resonance (MR) imaging in radiotherapy increasing, routine quality assurance (QA) of these systems is necessary. The assessment of geometric distortion in images used for radiotherapy treatment planning needs to… read more here.
Keywords: quality assurance; geometric distortion; scanner; distortion ... See more keywords
USPIO‐labeling in M1 and M2‐polarized macrophages: An in vitro study using a clinical magnetic resonance scanner
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Cellular Physiology"
DOI: 10.1002/jcp.26360
Abstract: Aim of the study was to evaluate USPIO labeling in different macrophage populations using a clinical 3.0T MR unit with optical and electron microscopy as the gold standard. Human monocytic cell line THP‐1 cells were… read more here.
Keywords: using clinical; p904; study; scanner ... See more keywords
Cone-Beam CT for Imaging of the Head / Brain: Development and Assessment of Scanner Prototype and Reconstruction Algorithms.
Sign Up to like & getrecommendations! Published in 2020 at "Medical physics"
DOI: 10.1002/mp.14124
Abstract: PURPOSE Our aim was to develop a high-quality, mobile cone-beam CT (CBCT) scanner for point-of-care detection and monitoring of low-contrast, soft-tissue abnormalities in the head / brain, such as acute intracranial hemorrhage (ICH). This work… read more here.
Keywords: scanner; geometry; head brain; care ... See more keywords
Validation of synthesized normal resolution image data generated from high resolution acquisitions on a commercial CT scanner.
Sign Up to like & getrecommendations! Published in 2020 at "Medical physics"
DOI: 10.1002/mp.14395
Abstract: PURPOSE To validate a normal resolution (NR) simulation (NRsim) algorithm that uses high resolution (HR) or super high resolution (SHR) acquisitions on a commercial high resolution CT scanner by comparing image quality between NRsim generated… read more here.
Keywords: resolution; high resolution; image; normal resolution ... See more keywords
Conformance of a 3T radiotherapy MRI scanner to the QIBA Diffusion Profile
Sign Up to like & getrecommendations! Published in 2022 at "Medical Physics"
DOI: 10.1002/mp.15645
Abstract: Abstract Purpose To assess the technical performance of the apparent diffusion coefficient (ADC) on a dedicated 3T radiotherapy scanner, using a standardized phantom and sequences. Investigations into factors that could impact the technical performance of… read more here.
Keywords: diffusion; qiba diffusion; radiotherapy; scanner ... See more keywords
A dedicated breast-PET/CT scanner: Numerical observer study of lesion detection.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.16033
Abstract: BACKGROUND Dedicated, breast-specific Positron Emission Tomography (BPET)-Cone Beam Computed Tomography (BPET/CT) systems have been developed to improve detection and diagnosis of cancer in women with indeterminate mammograms caused by radiodense breasts. The absorption of x-rays… read more here.
Keywords: breast; pet; scanner; lesion ... See more keywords
Impact on child and parent anxiety level of a teddy bear-scale mock magnetic resonance scanner
Sign Up to like & getrecommendations! Published in 2019 at "Pediatric Radiology"
DOI: 10.1007/s00247-019-04514-1
Abstract: Background Pediatric magnetic resonance imaging (MRI) can be stressful. Mock MR scanners have been proven to be effective in avoiding the use of general anesthesia. Objectives We prospectively evaluated the impact of a teddy bear-scale… read more here.
Keywords: anxiety; magnetic resonance; scanner; radiology ... See more keywords
Efficacy of a dynamic collimator for overranging dose reduction in a second- and third-generation dual source CT scanner
Sign Up to like & getrecommendations! Published in 2017 at "European Radiology"
DOI: 10.1007/s00330-017-4745-8
Abstract: AbstractObjectivesThe purpose of this study was to assess the efficacy of the renewed dynamic collimator in a third-generation dual source CT (DSCT) scanner and to determine the improvements over the second-generation scanner.MethodsCollimator efficacy is defined… read more here.
Keywords: dynamic collimator; collimator; scanner; efficacy ... See more keywords
Wafer-level vacuum package of two-dimensional micro-scanner
Sign Up to like & getrecommendations! Published in 2018 at "Microsystem Technologies"
DOI: 10.1007/s00542-017-3668-2
Abstract: We present wafer-level vacuum package of two-dimensional (2-D) micro-scanner based on glass-silicon anodic bonding. To form the sacrificial gap for evacuating air in the package cavity before hermetically sealed, the reflow process of Au/Sn/Cr posts… read more here.
Keywords: package; wafer level; scanner; vacuum ... See more keywords
The use of optical scanner for the fabrication of maxillary obturator prostheses
Sign Up to like & getrecommendations! Published in 2020 at "Oral and Maxillofacial Surgery"
DOI: 10.1007/s10006-020-00836-9
Abstract: Introduction Maxillectomy following tumors or, more rarely, traumatic injuries may result in maxillary defects that may determine physical dysfunctions and functional impairment of speech and swallowing. The aim of our study was to present our… read more here.
Keywords: obturator; scanner; fabrication maxillary; maxillary obturator ... See more keywords