Detector-based spectral CT with a novel dual-layer technology: principles and applications

N Rassouli, M Etesami, A Dhanantwari, P Rajiah - Insights into imaging, 2017 - Springer
Detector-based spectral computed tomography is a novel dual-energy CT technology that
employs two layers of detectors to simultaneously collect low-and high-energy data in all …

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 …

Contrast-enhanced abdominal CT with clinical photon-counting detector CT: assessment of image quality and comparison with energy-integrating detector CT

K Higashigaito, A Euler, M Eberhard, TG Flohr… - Academic radiology, 2022 - Elsevier
Rationale and Objectives To determine quantitative and qualitative image quality of contrast-
enhanced abdominal photon-counting detector CT (PCD-CT) compared to energy …

Impact of CT photon-counting virtual monoenergetic imaging on visualization of abdominal arterial vessels

D Dillinger, D Overhoff, C Booz, HL Kaatsch… - Diagnostics, 2023 - mdpi.com
Purpose: The novel photon-counting detector (PCD) technique acquires spectral data for
virtual monoenergetic imaging (VMI) in every examination. The aim of this study was the …

Dual-energy CT of acute bowel ischemia

MM Obmann, G Punjabi, VC Obmann, DT Boll… - Abdominal …, 2022 - Springer
Acute bowel ischemia is a condition with high mortality and requires rapid intervention to
avoid catastrophic outcomes. Swift and accurate imaging diagnosis is essential because …

Quantitative performance of photon‐counting CT at low dose: Virtual monochromatic imaging and iodine quantification

S Vrbaski, S Bache, J Rajagopal, E Samei - Medical physics, 2023 - Wiley Online Library
Background Quantitative imaging techniques, such as virtual monochromatic imaging (VMI)
and iodine quantification (IQ), have proven valuable diagnostic methods in several specific …

Noise characteristics of virtual monoenergetic images from a novel detector-based spectral CT scanner

K Kalisz, N Rassouli, A Dhanantwari, D Jordan… - European journal of …, 2018 - Elsevier
Aim To evaluate the noise characteristics of virtual monoenergetic images (VMI) obtained
from a recently introduced dual-layer detector-based spectral CT (SDCT), both in a phantom …

Dual-energy computed tomography: image acquisition, processing, and workflow

AJ Megibow, A Kambadakone… - Radiologic …, 2018 - radiologic.theclinics.com
Dual energy computed tomography (DECT) is an acquisition method where images are
obtained at 2 different energies. The potential benefits of DECT over single energy …

Virtual monochromatic dual-energy aortoiliac CT angiography with reduced iodine dose: a prospective randomized study

M Patino, A Parakh, GC Lo, M Agrawal… - American Journal of …, 2019 - Am Roentgen Ray Soc
OBJECTIVE. The purpose of this study was to assess the feasibility of performing
abdominopelvic aortoiliac CT angiography (CTA) with 16.0 g of iodine contrast medium …

Spectral Photon-Counting Computed Tomography: Technical Principles and Applications in the Assessment of Cardiovascular Diseases

A Meloni, E Maffei, A Clemente, C De Gori… - Journal of Clinical …, 2024 - mdpi.com
Spectral Photon-Counting Computed Tomography (SPCCT) represents a groundbreaking
advancement in X-ray imaging technology. The core innovation of SPCCT lies in its photon …