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Realistic total-body J-PET geometry optimization: Monte Carlo study.
Med Phys
January 2025
Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland.
Background: Total-body (TB) Positron Emission Tomography (PET) is one of the most promising medical diagnostics modalities, opening new perspectives for personalized medicine, low-dose imaging, multi-organ dynamic imaging or kinetic modeling. The high sensitivity provided by total-body technology can be advantageous for novel tomography methods like positronium imaging, demanding the registration of triple coincidences. Currently, state-of-the-art PET scanners use inorganic scintillators.
View Article and Find Full Text PDFWhat is the relationship between the choroidal vascularity ındex (CVI) and myopia?
Int Ophthalmol
January 2025
Department of Ophthalmology, Faculty of Medicine, Hitit University, Çorum, Turkey.
Purpose: To examine the detailed vascular and morphological characteristics of the choroidal tissue in subjects with myopia.
Methods: A total of 111 subjects with myopia were included in the study. The study was conducted in three groups according to spherical equivalent(SE).
Quantification of physiological tilt of the phakic eye using biometry parameters and anterior segment optical coherence tomography: Measuring Eye Tilt with High-Res Swept Source OCT.
J Cataract Refract Surg
January 2025
Kepler University Hospital, University Clinic for Ophthalmology and Optometry.
Purpose: To comprehensively evaluate the tilt of the crystalline lens in phakic eyes and its relationship with optical biometry parameters.
Setting: The retrospective analysis was conducted at the Department for Ophthalmology and Optometry, Kepler University Clinic in Linz, Austria.
Design: Lens tilt assessment was performed through a combined analysis of optical biometry (IOL Master 700) and anterior segment optical coherence tomography (AS-OCT) data to understand its relationship.
Computed Tomography Evaluation of Morphological Types of Femoral Trochlear Dysplasia in Small-Breed Dogs-A Retrospective Study.
Vet Sci
January 2025
Department of Veterinary Surgery, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, Bulgaria.
Abnormal trochlear morphology is one of the most important factors for patellar luxation occurrence in dogs, yet no studies have investigated its prevalence in the general population. This retrospective computed tomography study was designed to evaluate the trochlear groove morphology in four small dog breeds and the prevalence of trochlear dysplasia types according to Déjour's classification depending on the breed, sex, and medial patellar luxation (MPL) presence and grade. A total of 174 joints (68 healthy, 96 grade II MPL, and 10 grade III MPL) from Mini-Pinschers, Yorkshire Terriers, Pomeranians, and Chihuahuas were included in the study.
View Article and Find Full Text PDFCorrected Axial Length and Choroidal Thickness: A Correlation Analysis for Scientific Purposes.
J Pers Med
January 2025
Eye Unit-Department of Medicine, Surgery, Dentistry "Scuola Medica Salernitana", University of Salerno, via S. Allende, 84081 Baronissi, Italy.
Choroidal thickness (ChT) is an important measurement for evaluating eye and systemic disorders, but it is influenced by numerous elements, especially axial length (AL). It is known that the presence of a linear relationship between ChT and AL exists, but recently it has been shown that the AL measurement obtained with the current optical biometry is not very precise and needs to be corrected. This study aimed to verify if a similar correlation also persists with this corrected AL (ALc).
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