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Hybrid spectral CT reconstruction. [PDF]

open access: yesPLoS ONE, 2017
Current photon counting x-ray detector (PCD) technology faces limitations associated with spectral fidelity and photon starvation. One strategy for addressing these limitations is to supplement PCD data with high-resolution, low-noise data acquired with ...
Darin P Clark, Cristian T Badea
doaj   +4 more sources

Spectral CT imaging in colorectal cancer: current applications, limitations, and future perspectives [PDF]

open access: yesInsights into Imaging
Colorectal cancer (CRC) is the third most common malignancy worldwide, and early detection is vital to prevent metastasis and postoperative recurrence. This review summarizes current applications of spectral computed tomography (CT) in CRC, including its
Rémi Grange   +6 more
doaj   +2 more sources

Application of spectral CT in coil embolization treatment of bronchial artery aneurysm: A case report [PDF]

open access: yesJournal of Cardiovascular and Thoracic Research
We report a case of a bronchial artery aneurysm accompanied by a bronchial artery to pulmonary artery fistula in which only coil embolization was performed. Post-embolization, the majority of patients face significant metal artifacts from stents or coils
Shanshan Zhang   +3 more
doaj   +2 more sources

The accuracy of spectral CT with quantitative parameters in differentiating septic from aseptic periprosthetic complications [PDF]

open access: yesInsights into Imaging
Objectives To explore the accuracy of spectral CT, using quantitative parameters, in differentiating septic from aseptic periprosthetic complications.
Zhangyan Xu   +8 more
doaj   +2 more sources

Comparison of Image Quality According To Application of CT Algorithms for Acquisition of Clinical Information: A Phantom Study [PDF]

open access: yesIranian Journal of Medical Physics, 2023
Introduction: While various algorithms are applied in acquiring diagnostic information during computed tomography, such algorithms may affect image quality.
gui chul Lee, Dongkyoon Han, Joowan Hong
doaj   +1 more source

Spectral CT in practice: insights from an International Atomic Energy Agency survey [PDF]

open access: yesInsights into Imaging
Introduction Spectral CT is an advanced imaging technique that distinguishes X-ray energies at the detector level to provide energy-resolved images for enhanced tissue characterization and quantitative capabilities.
Virginia Tsapaki   +7 more
doaj   +2 more sources

Research on Image Analysis Method of Spectral CT Based on Principal Component Analysis

open access: yesCT Lilun yu yingyong yanjiu, 2022
Spectral computed tomography (CT) based on photon counting detector can simultaneously collect projection data of multiple spectral channels and obtain absorption characteristics of material within corresponding energy ranges, so it can be effectively ...
Yunxia DI, Huihua KONG, Xiaowei NIU
doaj   +1 more source

Gemstone Energy Spectral CT Multimodal Technique for Diagnosis of Acute Ischemic Stroke

open access: yesCT Lilun yu yingyong yanjiu, 2022
Objective: To explore the clinical application of multi-modal gemstone spectral CT in acute ischemic stroke. Methods: The spectral noncontrast CT, CTA and CTP images of 58 patients with acute ischemic stroke in our hospital were retrospectively analyzed,
Shichang XU   +6 more
doaj   +1 more source

A Preliminary Study of Spectral CT in Predicting Pfirrmann Grading of Lumbar Intervertebral Disc

open access: yesCT Lilun yu yingyong yanjiu, 2022
Objective: To investigate the predictive value of material separation technology of spectral CT in Pfirrmann grading of lumbar intervertebral disc degeneration.
Rui LI   +6 more
doaj   +1 more source

Progress of Material Decomposition Algorithms in Dual-energy CT Imaging

open access: yesCT 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

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