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AI-based automatic patient positioning in a digital-BGO PET/CT scanner: efficacy and impact.
EJNMMI Phys
January 2025
Department of Nuclear Medicine, Rambam Health Care Campus, P.O.B. 9602, 3109601, Haifa, Israel.
Background: A recently released digital solid-state positron emission tomography/x-ray CT (PET/CT) scanner with bismuth germanate (BGO) scintillators provides an artificial intelligence (AI) based system for automatic patient positioning. The efficacy of this digital-BGO system in patient placement at the isocenter and its impact on image quality and radiation exposure was evaluated.
Method: The digital-BGO PET/CT with AI-based auto-positioning was compared (χ, Mann-Whitney tests) to a solid-state lutetium-yttrium oxyorthosilicate (digital-LYSO) PET/CT with manual patient positioning (n = 432 and 343 studies each, respectively), with results split into groups before and after the date of a recalibration of the digital-BGO auto-positioning camera.
Correction to: Assessing the Cytotoxicity of TiO Nanoparticles with a Different Ti(Ti)/Ti Ratio.
Biol Trace Elem Res
January 2025
Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, Kharkiv, 61022, Ukraine.
Brain distribution study of [C]-Riluzole following intranasal administration in mice.
Int J Pharm
January 2025
Institute of Pharmaceutical Science, Faculty of Life Sciences & Medicine, King's College London, London, United Kingdom; Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region of China. Electronic address:
Amyotrophic lateral sclerosis (ALS) presents a substantial challenge due to its complex nature, limited effective treatment options, and modest benefits from current therapies in slowing disease progression. This study explores the potential of intranasal (IN) delivery to enhance the CNS delivery of riluzole (RLZ), a standard ALS treatment which is subject to blood-brain barrier efflux mechanisms. Additionally, the impact of elacridar (ELC), an efflux pump inhibitor, on IN RLZ CNS bioavailability was examined.
View Article and Find Full Text PDFActivity determination of Lu using TDCR-Čerenkov method.
Appl Radiat Isot
January 2025
China University of Geosciences, Beijing, 100084, China.
The accuracy of measuring the activity of Lu is crucial for calibrating the instruments employed in clinical applications. To support the measurements of Lu solution, the existing TDCR-Čerenkov method has been extended for this nuclide. The contribution of β and γ transitions from Lu was taken into account in the extended method.
View Article and Find Full Text PDFMicrostrip plastic scintillating detector system for quality assurance in synchrotron microbeam radiotherapy.
Sci Rep
January 2025
Universite Claude Bernard Lyon 1, INL, UMR5270, CNRS, INSA Lyon, Ecole Centrale de Lyon, CPE Lyon, 69622, Villeurbanne, France.
Synchrotron microbeam radiotherapy (MRT), which has entered the clinical transfer phase, requires the development of appropriate quality assurance (QA) tools due to very high dose rates and spatial hyperfractionation. A microstrip plastic scintillating detector system with associated modules was proposed in the context of real-time MRT QA. A prototype of such a system with 105 scintillating microstrips was developed and tested under MRT conditions.
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