Spectral CT imaging: technical principles of dual-energy CT and multi-energy photon-counting CT

J Greffier, N Villani, D Defez, D Dabli… - Diagnostic and …, 2023 - Elsevier
Spectral computed tomography (CT) imaging encompasses a unique generation of CT
systems based on a simple principle that makes use of the energy-dependent information …

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 …

Spectral CT of the abdomen: Where are we now?

SZ Adam, A Rabinowich, R Kessner, A Blachar - Insights Into Imaging, 2021 - Springer
Spectral CT adds a new dimension to radiological evaluation, beyond assessment of
anatomical abnormalities. Spectral data allows for detection of specific materials, improves …

Deep learning image reconstruction for improving image quality of contrast-enhanced dual-energy CT in abdomen

M Sato, Y Ichikawa, K Domae, K Yoshikawa, Y Kanii… - European …, 2022 - Springer
Objectives To evaluate the usefulness of deep learning image reconstruction (DLIR) to
improve the image quality of dual-energy computed tomography (DECT) of the abdomen …

Virtual non-contrast imaging in the abdomen and the pelvis: an overview

MK Virarkar, SSR Vulasala, AV Gupta… - Seminars in Ultrasound …, 2022 - Elsevier
Virtual non-contrast (VNC) imaging is a post-processing technique generated from contrast-
enhanced scans using dual-energy computed tomography (DECT). It is generated by …

Dual-energy CT based material decomposition to differentiate intrahepatic cholangiocarcinoma from hepatocellular carcinoma

S Mahmoudi, S Bernatz, FC Althoff, V Koch… - European journal of …, 2022 - Elsevier
Purpose To assess the potential of material decomposition in dual-energy CT (DECT) to
differentiate intrahepatic cholangiocarcinoma (iCCA) from hepatocellular carcinoma (HCC) …

Deep learning image reconstruction generates thinner slice iodine maps with improved image quality to increase diagnostic acceptance and lesion conspicuity: a …

J Zhong, L Wang, C Yan, Y Xing, Y Hu, D Ding… - BMC Medical …, 2024 - Springer
Background To assess the improvement of image quality and diagnostic acceptance of
thinner slice iodine maps enabled by deep learning image reconstruction (DLIR) in …

Deep learning image reconstruction to improve accuracy of iodine quantification and image quality in dual-energy CT of the abdomen: a phantom and clinical study

A Fukutomi, K Sofue, E Ueshima, N Negi, Y Ueno… - European …, 2023 - Springer
Objectives To investigate the effect of deep learning image reconstruction (DLIR) on the
accuracy of iodine quantification and image quality of dual-energy CT (DECT) compared to …

Advanced X-ray imaging technology

D Pfeiffer, F Pfeiffer, E Rummeny - Molecular Imaging in Oncology, 2020 - Springer
Since their discovery by Wilhelm Conrad Röntgen in 1895, X-rays have become the most
widely available, typically fastest, and usually most cost-effective medical imaging modality …

Virtual monoenergetic images from spectral detector computed tomography facilitate washout assessment in arterially hyper-enhancing liver lesions

RP Reimer, N Große Hokamp, A Fehrmann Efferoth… - European …, 2021 - Springer
Objectives To investigate whether the increased soft tissue contrast of virtual monoenergetic
images (VMIs) obtained from a spectral detector computed tomography (SDCT) system …