Results 11 to 20 of about 1,646,093 (289)

Photon-counting detector CT: early clinical experience review [PDF]

British Journal of Radiology, 2023
Since its development in the 1970s, X-ray CT has emerged as a landmark diagnostic imaging modality of modern medicine. Technological advances have been crucial to the success of CT imaging, as they have increasingly enabled improvements in image quality ...
T. Sartoretti, J. Wildberger, T. Flohr, H. Alkadhi   +3 more
semanticscholar   +2 more sources

Understanding Photon-Counting CT: Physics, Detector Technology, and Image Reconstructions

Sensors
Photon-counting computed tomography (PCCT) represents a detector-level transformation in CT imaging. Unlike conventional energy-integrating detectors, photon-counting detectors directly convert individual X-ray interactions into electrical pulses and ...
Arosh Shavinda Perera Molligoda Arachchige, Fatemeh Darvizeh   +1 more
doaj   +2 more sources

Influence of virtual monoenergetic reconstructions on coronary CT angiography-based fractional flow reserve with photon-counting detector CT: intra-individual comparison with energy-integrating detector CT [PDF]

Insights into Imaging
Objectives This study aimed to assess the impact of the photon-counting detector (PCD)-CT-based virtual monoenergetic image (VMI) reconstruction keV levels on CT-based fractional flow reserve (CT-FFR), compared to the energy-integrating detector (EID)-CT.
Giuseppe Tremamunno, Daniel Pinos, Emese Zsarnoczay, U. Joseph Schoepf, Milan Vecsey-Nagy, Chiara Gnasso, Nicola Fink, Dmitrij Kravchenko, Muhammad Taha Hagar, Joseph Griffith, Jim O’Doherty, Andrea Laghi, Tilman Emrich, Akos Varga-Szemes   +13 more
doaj   +2 more sources

Photon-Counting Detector CT Angiography Versus Digital Subtraction Angiography in Patients with Peripheral Arterial Disease

Academic Radiology
RATIONALE AND OBJECTIVES This study aims to compare the diagnostic confidence of photon-counting detector CT angiography (PCD-CTA) depending on the used vascular reformatting kernels with digital subtraction angiography (DSA) as diagnostic reference ...
Philipp Gruschwitz, Henner Huflage, Anne Marie Augustin   +2 more
exaly   +2 more sources

Postoperative assessment of fracture reduction and osteosynthesis materials using photon-counting detector CT in maxillofacial trauma - a pilot study. [PDF]

Oral Maxillofac Surg
To assess postoperative fracture reduction and visualization of titanium-based and bioresorbable osteosynthesis materials in maxillofacial trauma surgery using ultra-high-resolution photon-counting detector computed tomography (PCD-CT) compared with cone-
Al-Haj Husain A, Mergen V, Sandhu S, Wagner MEH, Demmert TT, Alkadhi H, Burian E, Flohr T, Stadlinger B, Kessler P, Lie SAN, Essig H.   +11 more
europepmc   +2 more sources

Performance of virtual unenhanced images on a prototype silicon photon counting detector CT: preliminary clinical results [PDF]

BMC Biomedical Engineering
Background To compare virtual unenhanced images (VUE) from a prototype deep silicon photon-counting detector computed tomography (PCD CT) system with true unenhanced images (TUE).
Aria M. Salyapongse, Timothy P. Szczykutowicz, Meghan G. Lubner, Zhye Yin, Ming Yan, Meghan Yue, Krista McClure, Giuseppe V. Toia   +7 more
doaj   +2 more sources

Spectral CT and Photon-counting Detector CT: Principles and Applications in Neuroradiology. [PDF]

Radiol Imaging Cancer
Photon-counting detector (PCD) CT and spectral CT represent the latest advances in CT imaging technology, providing substantial enhancements over conventional systems through energy-resolved imaging and improved image quality.
Hayes JC, Srinivasan A, Bapuraj JR.
europepmc   +2 more sources

The Future Arrived: Photon-Counting Detector CT. [PDF]

, 2023
In the past decades, we have witnessed tremendous technical innovations in computed tomography (CT) imaging. These included improvements in temporal and spatial resolution, lowering of the radiation dose, the introduction of dual-energy and multi-energy ...
Runge, Val, Alkadhi, Hatem, Alkadhi, Hatem; https://orcid.org/, Hatem Alkadhi, Val Runge   +4 more
core   +2 more sources

Intraindividual reproducibility of myocardial radiomic features between energy-integrating detector and photon-counting detector CT angiography

European Radiology Experimental
Background Radiomics is not yet used in clinical practice due to concerns regarding its susceptibility to technical factors. We aimed to assess the stability and interscan and interreader reproducibility of myocardial radiomic features between energy ...
Giuseppe Tremamunno, Akos Varga-Szemes, U. Joseph Schoepf, Andrea Laghi, Emese Zsarnoczay, Nicola Fink, Gilberto J. Aquino, Jim O’Doherty, Tilman Emrich, Milan Vecsey-Nagy   +9 more
doaj   +2 more sources

First clinical photon-counting-detector CT system: Technical evaluation

Radiology, 2021
Background: The first clinical CT system to use photon-counting-detector (PCD) technology has become available for patient care. Purpose: To assess the technical performance of the PCD-CT system using phantoms and representative participant exams ...
K. Rajendran, M. Petersilka, A. Henning, E. Shanblatt, B. Schmidt, T. Flohr, A. Ferrero, Francis I. Baffour, F. Diehn, Li-Feng Yu, P. Rajiah, J. Fletcher, S. Leng, C. McCollough   +13 more
semanticscholar   +1 more source