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 …

Review of clinical applications for virtual monoenergetic dual-energy CT

MH Albrecht, TJ Vogl, SS Martin, JW Nance… - Radiology, 2019 - pubs.rsna.org
In this article, the authors discuss the technical background and summarize the current body
of literature regarding virtual monoenergetic (VM) images derived from dual-energy CT data …

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 …

Computed tomography recent history and future perspectives

J Hsieh, T Flohr - Journal of Medical Imaging, 2021 - spiedigitallibrary.org
Purpose: We provide a review of the key computed tomography (CT) technologies
developed since the late 1980s and offer an overview of one of the future technologies …

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 …

Dual-energy CT–based deep learning radiomics can improve lymph node metastasis risk prediction for gastric cancer

J Li, D Dong, M Fang, R Wang, J Tian, H Li, J Gao - European Radiology, 2020 - Springer
Objectives To build a dual-energy CT (DECT)–based deep learning radiomics nomogram
for lymph node metastasis (LNM) prediction in gastric cancer. Materials and methods …

Dual-energy CT images: pearls and pitfalls

A Parakh, S Lennartz, C An, P Rajiah, BM Yeh… - Radiographics, 2021 - pubs.rsna.org
Dual-energy CT (DECT) is a tremendous innovation in CT technology that allows creation of
numerous imaging datasets by enabling discrete acquisitions at more than one energy level …

Standardization and quantitative imaging with photon-counting detector CT

CH McCollough, K Rajendran, S Leng - Investigative radiology, 2023 - journals.lww.com
Computed tomography (CT) images display anatomic structures across 3 dimensions and
are highly quantitative; they are the reference standard for 3-dimensional geometric …

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 …

Exploiting the potential of photon-counting CT in abdominal imaging

FR Schwartz, E Samei, D Marin - Investigative Radiology, 2023 - journals.lww.com
Photon-counting computed tomography (PCCT) imaging uses a new detector technology to
provide added information beyond what can already be obtained with current CT and MR …