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| http://dx.doi.org/10.1148/ryct.2020200603 | DOI Listing |
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Predicting High-Risk Esophageal Varices in Cirrhosis: A Multi-Parameter Splenic CT Study.
Acad Radiol
December 2024
Department of Radiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China. Electronic address:
Rationale And Objectives: To explore the value of splenic hemodynamic parameters from low-dose one-stop dual-energy and perfusion CT (LD-DE&PCT) in non-invasively predicting high-risk esophageal varices (HREV) in cirrhotic patients.
Methods: We retrospectively analyzed cirrhotic patients diagnosed with esophageal varices (EV) through clinical, laboratory, imaging, and endoscopic examinations from September 2021 to December 2023 in our hospital. All patients underwent LD-DE&PCT to acquire splenic iodine concentration and perfusion parameters.
Comparison of Virtual Non-Contrast and True Non-Contrast CT Images Obtained by Dual-Layer Spectral CT in COPD Patients.
Bioengineering (Basel)
March 2024
Department of Diagnostic and Interventional Radiology, School of Medicine & Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany.
Chronic obstructive pulmonary disease (COPD) is one of the leading causes of death. Recent studies have underlined the importance of non-contrast-enhanced chest CT scans not only for emphysema progression quantification, but for correlation with clinical outcomes as well. As about 40 percent of the 300 million CT scans per year are contrast-enhanced, no proper emphysema quantification is available in a one-stop-shop approach for patients with known or newly diagnosed COPD.
View Article and Find Full Text PDFEstimation of renal function using iodine maps in dual-energy spectral computed tomography urography: a feasibility and accuracy study.
Abdom Radiol (NY)
March 2024
Urology, The First Affiliated Hospital of Dalian Medical University, Dalian, China.
Article Synopsis
- The study investigates whether glomerular filtration rate (GFR) can be accurately measured using iodine maps from dual-energy spectral computed tomography urography (DEsCTU) and compares it with estimated GFR (eGFR) based on creatinine-cystatin C.
- A total of 128 patients underwent DEsCTU, and the results showed that the GFR calculated from iodine maps (CT-GFR) correlated well with eGFR, indicating CT-GFR could be an accurate method for assessing kidney function.
- The findings suggest that using DEsCTU as a non-invasive imaging technique could effectively evaluate both kidney function and urinary tract structure, making it a potentially valuable tool in clinical practice.
Pulmonary arterial hypertension associated with portal hypertension: Noninvasive comprehensive assessment using computed tomography.
Radiol Case Rep
February 2024
Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjyo, Chuo-ku, Kumamoto, 860-8556, Japan.
Article Synopsis
- Portopulmonary hypertension (PoPH) is a serious complication linked to portal hypertension, especially in patients with liver cirrhosis, but is often underdiagnosed due to the variety of symptoms like dyspnea.
- A comprehensive case study highlights the use of advanced imaging techniques, including dual energy CT and pulmonary perfusion imaging, to effectively diagnose PoPH.
- This refined imaging protocol provides a noninvasive, efficient way to evaluate PoPH, complementing standard chest evaluations.
Functional imaging with dual-energy computed tomography for supplementary non-invasive assessment of mast cell burden in systemic mastocytosis.
Sci Rep
August 2022
Institute of Clinical Radiology and Nuclear Medicine, University Hospital Mannheim, Heidelberg University, Mannheim, Germany.
Systemic mastocytosis (SM) is characterized by multifocal accumulation of neoplastic mast cells (MCs), predominately affecting the bone marrow (BM). Imaging with computed tomography (CT) is used for assessment of bone mineral density and structure. However, the value of functional imaging with dual-energy CT (DECT) and the assessment of virtual-non-calcium attenuation values (VNCa-AV) for visualization of BM disease burden in SM has not yet been assessed.
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