Results 31 to 40 of about 7,096,928 (249)

Negative gallbladder stones: Diagnostic advantages of dual-energy CT and analysis of a unique case

Asian Journal of Surgery
Summary: Background: Gallbladder stones are a common digestive system disease, but their diagnosis can be limited in some cases, especially in identifying ''negative'' stones, which may be difficult to recognize with traditional CT scans.
Fengyan Wang, Shuling Wang, Weiyi Gong
doaj   +1 more source

Pros and Cons of Dual-Energy CT Systems: “One Does Not Fit All”

Tomography, 2023
Dual-energy computed tomography (DECT) uses different energy spectrum x-ray beams for differentiating materials with similar attenuation at a certain energy.
Ana P. Borges, Célia Antunes, Luís Curvo-Semedo   +2 more
doaj   +1 more source

Dual-energy CT slices of tumors 48 hours post-injection.

, 2018
Axial CT slices of the mice through the center of the tumors are shown on the left, while a coronal maximum intensity projection (MIP) of an isolated tumor from each mouse is shown on the right. Each MIP includes 20 slices through the center of the tumor.
Jeffrey R. Ashton (521391), Elizabeth B. Gottlin (4179220), Edward F. Patz Jr. (4179217), Cristian T. Badea (327502), Jennifer L. West (419967)   +4 more
core   +1 more source

Extracellular matrix remodeling and immune reprogramming drive residual tumor progression of liver cancer after incomplete microwave ablation

Molecular Oncology, EarlyView.
Incomplete microwave ablation (iMWA) of liver cancer triggers a biphasic progression in residual tumors. At Day 3, the microenvironment is characterized by acute inflammatory responses and extracellular matrix (ECM) remodeling. By Day 14, a profound shift occurs toward oncogenic signal transduction and immunosuppression, marked by macrophage ...
Yu Liu, Yubei He, Nikolaus Berndt, Michael Mülleder, Kathrin Textoris‐Taube, Jing Guo, Matthias Stechele, Justus Ramtke, Shraga Nahum Goldberg, Lynn Jeanette Savic   +9 more
wiley   +1 more source

Combining Low-dose Perfusion with Dual-energy CT Scanning for Pancreatic Neuroendocrine Tumors

CT Lilun yu yingyong yanjiu
Objectives: This study explores the clinical value of one-time, low-dose pancreatic CT perfusion combined with dual-energy scanning for detecting pancreatic neuroendocrine tumors. Methods: We retrospectively analyzed data from 23 patients with surgically
Xiaoying HUANG, Xiamin LI, Fangkai GUO, Pengchao WANG, Chunhui SHAN, Yunfeng BAO   +5 more
doaj   +1 more source

Comparison of Image Quality and Radiation Dose Between Single-Energy and Dual-Energy Images for the Brain With Stereotactic Frames on Dual-Energy Cerebral CT

Frontiers in Radiology, 2022
BackgroundPreoperative stereotactic planning of deep brain stimulation (DBS) using computed tomography (CT) imaging in patients with Parkinson's disease (PD) is of clinical interest. However, frame-induced metal artifacts are common in clinical practice,
Xiaojing Zhao, Xiaojing Zhao, Wang Chao, Wang Chao, Yi Shan, Yi Shan, Jingkai Li, Jingkai Li, Cheng Zhao, Cheng Zhao, Miao Zhang, Miao Zhang, Jie Lu, Jie Lu   +13 more
doaj   +1 more source

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

FEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová, Grigorii Rakhalskii, Miroslav Almáši   +2 more
wiley   +1 more source

Progress of Material Decomposition Algorithms in Dual-energy CT Imaging

CT Lilun yu yingyong yanjiu, 2023
Spectral CT can produce basis materials with different X-ray energies. Subsequently, the generated basis materials can be used for qualitative and quantitative evaluation of tissue components and contrast agent distribution.
Qiao GUO, Xufeng YAO
doaj   +1 more source

Enhanced colour encoding of materials discrimination information for multiple view dual-energy x-ray imaging [PDF]

, 2009
This thesis reports an investigation into dual-energy X-ray discrimination techniques. These techniques are designed to provide colour-coded materials discrimination information in a sequence of perspective images exhibiting sequential parallax.
Wang, X
core  

Dual-energy-CT

, 2011
Die Dual-Energy-CT erlaubt die Charakterisierung und Analyse von ...
Stolzmann, P, Götti, R, Paul Stolzmann, Robert Gütti   +3 more
core   +1 more source