Thomas G Flohr
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Explore the profile of Thomas G Flohr including associated specialties, affiliations and a list of published articles.
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86
Citations
2383
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Recent Articles
1.
Hardy J, Crombag G, Peters N, Hermsen R, Willigers J, Nobel J, et al.
Eur J Radiol
. 2024 Dec;
183:111898.
PMID: 39732136
Objectives: Photon-counting detector CT (PCD-CT) is expected to substantially improve and expand CT-imaging applicability due to its intrinsic spectral capabilities, increased spatial resolution, reduced electronic noise, and improved image contrast....
2.
Hoeijmakers E, Stammen L, Wildberger J, Eijsvoogel N, Hersbach J, Pernot J, et al.
Eur J Radiol
. 2024 Aug;
179:111680.
PMID: 39133989
Objectives: This study aims to demonstrate reduced iodine contrast media (CM) in routine abdominal CT scans in portal venous phase (PVP) using a photon-counting detector CT (PCD-CT) compared to total...
3.
McDermott M, Sartoretti T, Stammen L, Martens B, Jost G, Pietsch H, et al.
Invest Radiol
. 2024 May;
59(10):684-690.
PMID: 38742928
Objective: Photon-counting detector computed tomography (PCD-CT) enables spectral data acquisition of CT angiographies allowing for reconstruction of virtual monoenergetic images (VMIs) in routine practice. Specifically, it has potential to reduce...
4.
Sartoretti T, McDermott M, Stammen L, Martens B, Moser L, Jost G, et al.
Invest Radiol
. 2024 Mar;
59(10):677-683.
PMID: 38526041
Objectives: Calcified plaques induce blooming artifacts in coronary computed tomography angiography (CCTA) potentially leading to inaccurate stenosis evaluation. Tungsten represents a high atomic number, experimental contrast agent with different physical...
5.
Farhadi F, Sahbaee P, Rajagopal J, Nikpanah M, Saboury B, Gutjahr R, et al.
Clin Imaging
. 2023 Sep;
102:109-115.
PMID: 37672849
Purpose: Advantages of virtual monoenergetic images (VMI) have been reported for dual energy CT of the head and neck, and more recently VMIs derived from photon-counting (PCCT) angiography of the...
6.
McCollough C, Rajendran K, Baffour F, Diehn F, Ferrero A, Glazebrook K, et al.
Eur Radiol
. 2023 Apr;
33(8):5309-5320.
PMID: 37020069
The X-ray detector is a fundamental component of a CT system that determines the image quality and dose efficiency. Until the approval of the first clinical photon-counting-detector (PCD) system in...
7.
McCollough C, Rajendran K, Leng S, Yu L, Fletcher J, Stierstorfer K, et al.
Eur Radiol
. 2023 Apr;
33(8):5321-5330.
PMID: 37014409
Since 1971 and Hounsfield's first CT system, clinical CT systems have used scintillating energy-integrating detectors (EIDs) that use a two-step detection process. First, the X-ray energy is converted into visible...
8.
Niehoff J, Carmichael A, Woeltjen M, Boriesosdick J, Michael A, Schmidt B, et al.
Diagnostics (Basel)
. 2023 Feb;
13(3).
PMID: 36766563
This study evaluated the feasibility of reducing the radiation dose in abdominal imaging of urolithiasis with a clinical photon-counting CT (PCCT) by gradually lowering the image quality level (IQL) without...
9.
Sartoretti T, Racine D, Mergen V, Jungblut L, Monnin P, Flohr T, et al.
Diagnostics (Basel)
. 2022 Feb;
12(2).
PMID: 35204611
The aim of this study was to characterize image quality and to determine the optimal strength levels of a novel iterative reconstruction algorithm (quantum iterative reconstruction, QIR) for low-dose, ultra-high-resolution...
10.
Rajendran K, Petersilka M, Henning A, Shanblatt E, Schmidt B, Flohr T, et al.
Radiology
. 2021 Dec;
303(1):130-138.
PMID: 34904876
Background The first clinical CT system to use photon-counting detector (PCD) technology has become available for patient care. Purpose To assess the technical performance of the PCD CT system with...