Photon-counting CT review

T Flohr, M Petersilka, A Henning, S Ulzheimer, J Ferda… - Physica Medica, 2020 - Elsevier
Photon-counting detectors are a promising new technology for computed tomography (CT)
systems. They provide energy-resolved CT data at very high spatial resolution without …

Photon-counting CT: technical principles and clinical prospects

MJ Willemink, M Persson, A Pourmorteza, NJ Pelc… - Radiology, 2018 - pubs.rsna.org
Photon-counting CT is an emerging technology with the potential to dramatically change
clinical CT. Photon-counting CT uses new energy-resolving x-ray detectors, with …

[HTML][HTML] The evolution of image reconstruction for CT—from filtered back projection to artificial intelligence

MJ Willemink, PB Noël - European radiology, 2019 - Springer
The first CT scanners in the early 1970s already used iterative reconstruction algorithms;
however, lack of computational power prevented their clinical use. In fact, it took until 2009 …

Photon-counting detector CT: system design and clinical applications of an emerging technology

S Leng, M Bruesewitz, S Tao, K Rajendran… - Radiographics, 2019 - pubs.rsna.org
Photon-counting detector (PCD) CT is an emerging technology that has shown tremendous
progress in the last decade. Various types of PCD CT systems have been developed to …

Quantum iterative reconstruction for abdominal photon-counting detector CT improves image quality

T Sartoretti, A Landsmann, D Nakhostin, M Eberhard… - Radiology, 2022 - pubs.rsna.org
Background An iterative reconstruction (IR) algorithm was introduced for clinical photon-
counting detector (PCD) CT. Purpose To investigate the image quality and the optimal …

Principles and applications of multienergy CT: Report of AAPM Task Group 291

CH McCollough, K Boedeker, D Cody, X Duan… - Medical …, 2020 - Wiley Online Library
In x‐ray computed tomography (CT), materials with different elemental compositions can
have identical CT number values, depending on the mass density of each material and the …

Photon counting CT: clinical applications and future developments

SS Hsieh, S Leng, K Rajendran, S Tao… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
The use of a photon counting detector in CT (PCD CT) is currently the subject of intense
investigation and development. In this review article, we will describe potential clinical …

[HTML][HTML] Spectral photon-counting CT technology in chest imaging

SA Si-Mohamed, J Miailhes, PA Rodesch… - Journal of Clinical …, 2021 - mdpi.com
The X-ray imaging field is currently undergoing a period of rapid technological innovation in
diagnostic imaging equipment. An important recent development is the advent of new X-ray …

Update on multienergy CT: physics, principles, and applications

P Rajiah, A Parakh, F Kay, D Baruah… - Radiographics, 2020 - pubs.rsna.org
Multienergy CT involves acquisition of two or more CT measurements with distinct energy
spectra. Using the differential attenuation of tissues and materials at different x-ray energies …

Full field-of-view, high-resolution, photon-counting detector CT: technical assessment and initial patient experience

K Rajendran, M Petersilka, A Henning… - Physics in Medicine …, 2021 - iopscience.iop.org
We report a comprehensive evaluation of a full field-of-view (FOV) photon-counting detector
(PCD) computed tomography (CT) system using phantoms, and qualitatively assess image …