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http://dx.doi.org/10.1007/s00134-024-07524-2 | DOI Listing |
EJNMMI Res
January 2025
Department of Radiology & Nuclear Medicine, University Medical Center Utrecht, Heidelberglaan 100, Utrecht, 3584 CX, the Netherlands.
Background: To study the feasibility of hepatobiliary scintigraphy (HBS) to improve selection and planning of patients with hepatocellular carcinoma (HCC) treated with holmium-166 (Ho)-microspheres radioembolization.
Results: Thirty-one patients with HCC were included and treated with Ho- radioembolization as part of a prospective phase 2 study. Twenty-seven patients were eligible for analysis, 67% had a cirrhotic liver morphology on imaging, 70% had multifocal disease and 51% had bilobar disease.
Eur Radiol
January 2025
Department of Diagnostic and Interventional Radiology, University Hospital Augsburg, Augsburg, Germany.
Objectives: The purpose of this study was to evaluate whether the iodine contrast in blood and solid organs differs between men and women and to evaluate the effect of BMI, height, weight, and blood volume (BV) on sex-specific contrast in staging CT.
Materials And Methods: Patients receiving a venous-phase thoracoabdominal Photon-Counting Detector CT (PCD-CT) scan with 100- or 120-mL CM between 08/2021 and 01/2022 were retrospectively included in this single-center study. Image analysis was performed by measuring iodine contrast in the liver, portal vein, spleen, left atrium, left ventricle, pulmonary trunk, ascending and descending aorta on spectral PCD-CT datasets.
Background: In recent efforts to improve early identification, staging, and prediction of risk of persons at risk for vascular contributions to cognitive impairment and dementia (VCID) in relation with small vessel disease (SVD), the MarkVCID consortium has worked to identify and validate fluid- and imaging-based biomarkers for SVD associated with VCID. Free water (FW) measured derived from diffusion tensor imaging and one of the selected neuroimaging biomarker "kits", has been demonstrated to have excellent instrumental validity and to be a sensitive biomarker of cognitive performances. We sought to further examine FW clinical relevance by investigating whether FW predicts cognitive worsening over time.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Laboratory of Clinical Investigation, National Institute on Aging, Intramural Research Program, Baltimore, MD, USA.
Background: The choroid plexus (CP), a vital component in the brain's ventricles, is crucial for cerebrospinal fluid (CSF) production and maintenance of the brain's physiological environment. It plays a key role in regulating neuroinflammatory responses, clearing harmful substances, producing neurotrophic factors and signaling molecules, and forming blood-CSF barrier. Consequently, changes to the CP's structural integrity could disrupt brain homeostasis and lead to cognitive impairment.
View Article and Find Full Text PDFBackground: Hippocampal atrophy and degeneration of cholinergic pathways are prominent neuroimaging findings in early Alzheimer's disease (AD). However, whether these image findings are related to amyloid accumulation is still debated.
Method: From 2021 to 2023, we recruited 116 participants from memory clinic in Cardinal Tien Hospital, Taipei, Taiwan.
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