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 …

Dual-and multi-energy CT: principles, technical approaches, and clinical applications

CH McCollough, S Leng, L Yu, JG Fletcher - Radiology, 2015 - pubs.rsna.org
In x-ray computed tomography (CT), materials having different elemental compositions can
be represented by identical pixel values on a CT image (ie, CT numbers), depending on the …

An overview of kidney stone imaging techniques

W Brisbane, MR Bailey, MD Sorensen - Nature Reviews Urology, 2016 - nature.com
Kidney stone imaging is an important diagnostic tool and initial step in deciding which
therapeutic options to use for the management of kidney stones. Guidelines provided by the …

High-resolution X-ray computed tomography in geosciences: A review of the current technology and applications

V Cnudde, MN Boone - Earth-Science Reviews, 2013 - Elsevier
High-resolution X-ray Computed Tomography (HRXCT) or micro-CT (μCT) is a frequently
used non-destructive 3D imaging and analysis technique for the investigation of internal …

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 …

A molecular imaging primer: modalities, imaging agents, and applications

ML James, SS Gambhir - Physiological reviews, 2012 - journals.physiology.org
Molecular imaging is revolutionizing the way we study the inner workings of the human
body, diagnose diseases, approach drug design, and assess therapies. The field as a whole …

Dual-energy CT–based monochromatic imaging

L Yu, S Leng, CH McCollough - American journal of …, 2012 - Am Roentgen Ray Soc
OBJECTIVE. We summarize how virtual monochromatic images are synthesized from dual-
energy CT using image-domain and projection-domain methods. The quality of virtual …

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 …

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 …

Assessment of an advanced image-based technique to calculate virtual monoenergetic computed tomographic images from a dual-energy examination to improve …

KL Grant, TG Flohr, B Krauss, M Sedlmair… - Investigative …, 2014 - journals.lww.com
Materials and Methods Four circular phantoms of different diameter (10–40 cm) with an
iodine insert at the center were scanned at a fixed radiation dose with different single-(80 …