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 …

[HTML][HTML] Pros and cons of dual-energy CT systems:“One does not fit all”

AP Borges, C Antunes, L Curvo-Semedo - Tomography, 2023 - mdpi.com
Dual-energy computed tomography (DECT) uses different energy spectrum x-ray beams for
differentiating materials with similar attenuation at a certain energy. Compared with single …

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 …

[HTML][HTML] 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 …

Consistency of monoenergetic attenuation measurements for a clinical dual-source photon-counting detector CT system across scanning paradigms: a phantom study

Y Yang, L Qin, H Lin, Z Xu, B Schmidt… - American Journal of …, 2024 - Am Roentgen Ray Soc
BACKGROUND. Use of virtual monoenergetic images (VMIs) from multienergy CT scans
can mitigate inconsistencies in traditional attenuation measurements that result from …

Performance of four dual-energy CT platforms for abdominal imaging: a task-based image quality assessment based on phantom data

J Greffier, S Si-Mohamed, D Dabli, H de Forges… - European …, 2021 - Springer
Objectives To compare the spectral performance of dual-energy CT (DECT) platforms using
task-based image quality assessment based on phantom data. Materials and methods Two …

Dual-Energy CT of the Abdomen: Radiology In Training

S Lennartz, NG Hokamp, A Kambadakone - Radiology, 2022 - pubs.rsna.org
A 61-year-old man with an esophageal cancer diagnosis underwent staging dual-energy CT
of the chest and abdomen in the portal venous phase after contrast media administration …

[HTML][HTML] Quantifying iodine concentration in the normal bowel wall using dual-energy CT: influence of patient and contrast characteristics

M Nehnahi, G Simon, R Moinet, G Piton, C Camelin… - Scientific Reports, 2023 - nature.com
This study aimed to establish quantitative references of the normal bowel wall iodine
concentration (BWIC) using dual energy CT (DECT). This single-center retrospective study …

Intraindividual consistency of iodine concentration in dual-energy computed tomography of the chest and abdomen

D Zopfs, RP Reimer, K Sonnabend… - Investigative …, 2021 - journals.lww.com
Objectives Dual-energy computed tomography (DECT)–derived quantification of iodine
concentration (IC) is increasingly used in oncologic imaging to characterize lesions and …

[HTML][HTML] Impact of dose reduction and the use of an advanced model-based iterative reconstruction algorithm on spectral performance of a dual-source CT system: A …

J Greffier, D Dabli, A Hamard, P Akessoul… - Diagnostic and …, 2021 - Elsevier
Purpose To assess the impact of dose reduction and the use of an advanced modeled
iterative reconstruction algorithm (ADMIRE) on image quality in low-energy monochromatic …