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Influence of Acquisition Parameters on Silver Sulfide Nanoparticle Contrast in Photon-Counting Digital Mammography: A Phantom Study.
ACS Appl Nano Mater
March 2024
Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States.
Photon-counting mammography is an emerging modality that allows for spectral imaging and provides a differentiation of material compositions. The development of photon-counting mammography-specific contrast agents has yet to be explored. In this study, the contrast, sensitivity, and organ dose between silver sulfide nanoparticles (AgS-NPs) and a clinically approved iodinated agent (iopamidol) were investigated using a contrast-embedded gradient ramp phantom and a prototype scanner.
View Article and Find Full Text PDFRadioactive Iodine Therapy in Differentiated Thyroid Cancer: Summary of the Korean Thyroid Association Guidelines 2024 from Nuclear Medicine Perspective, Part-II.
Nucl Med Mol Imaging
February 2025
Department of Nuclear Medicine, Kyungpook National University Chilgok Hospital, Daegu, Korea.
Thyroid cancer, one of the most common endocrine tumors, generally has a favorable prognosis but remains a significant medical and societal concern due to its high incidence. Early diagnosis and treatment of differentiated thyroid cancer (DTC) significantly affect long-term outcomes, requiring the selection and application of appropriate initial treatments to improve prognosis and quality of life. Recent advances in technology and health information systems have enhanced our understanding of the molecular genetics of thyroid cancer, facilitating the identification of aggressive subgroups and enabling the accumulation of research on risk factors through big data.
View Article and Find Full Text PDFCarbazole-Bismaleimide Based Hyper-Cross-Linked Porous Organic Polymer for Efficient Iodine Capture.
Langmuir
January 2025
Department of Chemical Engineering, Canakkale Onsekiz Mart University,17100 Canakkale, Turkey.
Radioactive iodine, a key waste product of nuclear energy, has been a significant concern among nuclear materials because of its high volatility and its ability to easily enter the human metabolism. Porous materials containing a large number of N-heterocyclic units such as carbazole in the skeletons use as effective adsorbents showing high iodine capture capacities. Herein, a new carbazole-bismaleimide-based hyper-cross-linked porous organic polymer (CzBMI-POP) was successfully prepared from a new tetra-armed carbazole-maleimide monomer (Bis-Cz(BMI)), which contains biscarbazole units and maleimide side groups.
View Article and Find Full Text PDFUse of iodinated and gadolinium-based contrast media in patients with chronic kidney disease: Consensus statements from nephrologists, cardiologists, and radiologists at National Taiwan University Hospital.
J Formos Med Assoc
January 2025
Department of Radiology, National Taiwan University Hospital, Taipei, Taiwan.
Contrast media are essential agents that enhance the diagnostic capabilities of imaging studies, such as computed tomography and magnetic resonance imaging. However, concerns regarding the risk of adverse events have led to cautious use in patients with chronic kidney disease. A multidisciplinary review by nephrologists, cardiologists, and radiologists at National Taiwan University Hospital examined evidence linking iodinated contrast media and gadolinium-based contrast agents with acute kidney injury and nephrogenic systemic fibrosis.
View Article and Find Full Text PDFDifferential diagnosis of thrombosis and myxoma in unusual heart positions by dual-energy CT multiple parameter imaging: A case series.
Medicine (Baltimore)
January 2025
Department of Medical Imaging, Jincheng People's Hospital, Shanxi, China.
Rationale: Thrombus is the most common occupying lesion in the cardiac chambers, it is often distinguished from cardiac neoplastic occupations. Among them, the most common is cardiac myxoma, whose imaging manifestations are often confused with thrombus. However, the 2 types of lesions have different therapeutic strategies and are both potentially high-risk sources of embolism, so early differentiation between intracardiac thrombus and cardiac tumor is essential.
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