Advanced CT techniques for assessing hepatocellular carcinoma

Y Nakamura, T Higaki, Y Honda, F Tatsugami… - La radiologia …, 2021 - Springer
Hepatocellular carcinoma (HCC) is the sixth-most common cancer in the world, and hepatic
dynamic CT studies are routinely performed for its evaluation. Ongoing studies are …

CT noise-reduction methods for lower-dose scanning: strengths and weaknesses of iterative reconstruction algorithms and new techniques

P Mohammadinejad, A Mileto, L Yu, S Leng… - Radiographics, 2021 - pubs.rsna.org
Iterative reconstruction (IR) algorithms are the most widely used CT noise-reduction method
to improve image quality and have greatly facilitated radiation dose reduction within the …

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 …

Noise and spatial resolution properties of a commercially available deep learning‐based CT reconstruction algorithm

J Solomon, P Lyu, D Marin, E Samei - Medical physics, 2020 - Wiley Online Library
Purpose To characterize the noise and spatial resolution properties of a commercially
available deep learning‐based computed tomography (CT) reconstruction algorithm …

[HTML][HTML] Task-based characterization of a deep learning image reconstruction and comparison with filtered back-projection and a partial model-based iterative …

D Racine, F Becce, A Viry, P Monnin, B Thomsen… - Physica Medica, 2020 - Elsevier
Purpose We aimed to thoroughly characterize image quality of a novel deep learning image
reconstruction (DLIR), and investigate its potential for dose reduction in abdominal CT in …

Virtual noncontrast abdominal imaging with photon-counting detector CT

V Mergen, D Racine, L Jungblut, T Sartoretti, S Bickel… - Radiology, 2022 - pubs.rsna.org
Background Accurate CT attenuation and diagnostic quality of virtual noncontrast (VNC)
images acquired with photon-counting detector (PCD) CT are needed to replace true …

Deep learning–based reconstruction for lower-dose pediatric CT: technical principles, image characteristics, and clinical implementations

Y Nagayama, D Sakabe, M Goto, T Emoto, S Oda… - Radiographics, 2021 - pubs.rsna.org
Optimizing the CT acquisition parameters to obtain diagnostic image quality at the lowest
possible radiation dose is crucial in the radiosensitive pediatric population. The image …

[HTML][HTML] Quantum iterative reconstruction for low-dose ultra-high-resolution photon-counting detector CT of the lung

T Sartoretti, D Racine, V Mergen, L Jungblut, P Monnin… - Diagnostics, 2022 - mdpi.com
The aim of this study was to characterize image quality and to determine the optimal strength
levels of a novel iterative reconstruction algorithm (quantum iterative reconstruction, QIR) for …

Artificial intelligence in image reconstruction: the change is here

R Singh, W Wu, G Wang, MK Kalra - Physica Medica, 2020 - Elsevier
Innovations in CT have been impressive among imaging and medical technologies in both
the hardware and software domain. The range and speed of CT scanning improved from the …

Deep learning image reconstruction for improvement of image quality of abdominal computed tomography: comparison with hybrid iterative reconstruction

Y Ichikawa, Y Kanii, A Yamazaki, N Nagasawa… - Japanese Journal of …, 2021 - Springer
Purpose To evaluate the usefulness of the deep learning image reconstruction (DLIR) to
enhance the image quality of abdominal CT, compared to iterative reconstruction technique …