It was established that hypertension in the pancreatic ducts results in contrast media overstepping their limits. Most frequently, the contrast media appears at the region of the pancreatic body and tail.
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Research on the infiltration law and enhancing application of dust suppressants in powder materials.
J Air Waste Manag Assoc
January 2025
School of Emergency Management and Safety Engineering, China University of Mining and Technology (Beijing), Beijing, China.
Dust emissions from open-pit mining pose a significant threat to environmental safety and human health. Currently, the range of dust suppressants used in coal mining is limited, often failing to account for their suitability across various stockpiles. This oversight results in poor infiltration after application, leading to insufficient crust formation and reduced durability.
View Article and Find Full Text PDFContrast-enhanced US of High-Risk Indeterminate Focal Liver Observations Categorized as LR-4 or LR-M at CT/MRI.
Radiology
January 2025
From the Department of Radiology, Thomas Jefferson University Hospital, 132 S 10th St, 763G Main Bldg, Philadelphia, PA 19107 (A.L., C.K.Y.E., T.S.X., S.K.R., C.E.W., K.B., J.R.E., F.F.); Division of Internal Medicine, Hepatobiliary and Immunoallergic Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy (F.P.); Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy (F.P.); University of California San Diego, San Diego, Calif (Y.K.); University of Calgary, Calgary, Canada (A.M.K., S.R.W.); Einstein Medical Center, Philadelphia, Pa (S.K.R.); Vanderbilt University, Nashville, Tenn (V.P.); Stanford University, Stanford, Calif (A.K.); UT Southwestern Medical Center, Dallas, Tex (D.T.F.); Department of Visceral Surgery and Medicine, Bern University Hospital, University of Bern, Bern, Switzerland (A.B., I.P.R.); Department of Imaging Sciences, School of Biomedical Engineering and Imaging Sciences, Faculty of Life Sciences and Medicine, King's College London, London, United Kingdom (P.S.S.); and Department of Radiology, King's College Hospital, London, United Kingdom (P.S.S.).
Background Indeterminate focal liver observations in patients at risk for hepatocellular carcinoma (HCC) may require invasive biopsy or follow-up, which could lead to delays in definitive categorization and to postponement of treatment. Purpose To examine clinical effect of contrast-enhanced US (CEUS) in participants with high-risk indeterminate liver observations categorized as Liver Imaging Reporting and Data System (LI-RADS) category LR-4 (probably HCC) or LI-RADS category LR-M (probably or definitely malignant but not HCC specific) at CT or MRI. Materials and Methods This was a secondary analysis of a prospective international multicenter validation study for CEUS LI-RADS (January 2018 to August 2021).
View Article and Find Full Text PDFAssessing Pulmonary Embolisms on Unenhanced CT Images Using Electron Density Images Derived from Dual-Layer Spectral Detector CT: A Single-centre Prospective Study Conducted at the Emergency Department.
Curr Med Imaging
January 2025
Department of Radiology, Peking Union Medical College Hospital [PUMCH], Chinese Academy of Medical Sciences & Peking Union Medical College [CAMS & PUMC], China.
Aims To evaluate the utility of unenhanced spectral imaging, electron density (ED) and overlay electron density (OED) images for assessing pulmonary embolisms in patients with suspected or confirmed acute pulmonary embolism (APE). Background Multiple spectral images can be extrapolated from spectral detector CT (SDCT), ED and OED images. ED and OED images are highly sensitive to moisture-rich tissues.
View Article and Find Full Text PDFValidation of the efficacy of the porous medium model in hemodynamic analysis of iliac vein compression syndrome.
Front Bioeng Biotechnol
January 2025
Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, China.
Iliac Vein Compression Syndrome (IVCS) is a common risk factor for deep vein thrombosis in the lower extremities. The objective of this study was to investigate whether employing a porous medium model to simulate the compressed region of an iliac vein could improve the reliability and accuracy of Computational Fluid Dynamics (CFD) analysis outcomes of IVCS. Pre-operative Computed Tomography (CT) scan images of patients with IVCS were utilized to reconstruct models illustrating both the compression and collateral circulation of the iliac vein.
View Article and Find Full Text PDFInvestigation of Er-Doped BaF Single Crystals for Infrared Emission and Photovoltaic Efficiency Enhancement.
Luminescence
January 2025
Department of Physics, IMN, Universidad de La Laguna, San Cristobal de La Laguna, Santa Cruz de Tenerife, Spain.
Er-doped BaF single crystals were investigated with two primary aims: first, to probe the infrared emissions from the I level (around 1.0 μm) under 1500-nm excitation and, second, to use the crystal to enhance the efficiency of silicon-based solar cells through upconversion mechanism. Upon excitation at 1500 nm, the upconversion emission spectrum of the Er-doped BaF single crystals, recorded in the range of 480-1080 nm, exhibited two well-structured visible bands at 538 and 650 nm, along with a strong near infrared emission at 971 nm.
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