Thomas Koehler
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Explore the profile of Thomas Koehler including associated specialties, affiliations and a list of published articles.
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58
Citations
777
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Recent Articles
1.
Gassert F, Bast H, Urban T, Frank M, Gassert F, Willer K, et al.
Front Radiol
. 2025 Jan;
4:1487895.
PMID: 39877725
Background: Dark-field chest radiography allows the assessment of the structural integrity of the alveoli by exploiting the wave properties of x-rays. Purpose: To compare the qualitative and quantitative features of...
2.
Schick R, Bast H, Frank M, Urban T, Koehler T, Gassert F, et al.
PLoS One
. 2024 Dec;
19(12):e0316104.
PMID: 39729472
Background: Dark-field radiography has been proven to be a promising tool for the assessment of various lung diseases. Purpose: To evaluate the potential of dose reduction in dark-field chest radiography...
3.
Streak artefact removal in x-ray dark-field computed tomography using a convolutional neural network
Kumschier T, Thalhammer J, Schmid C, Haeusele J, Koehler T, Pfeiffer F, et al.
Med Phys
. 2024 Jul;
51(10):7404-7414.
PMID: 39012833
Background: Computed tomography (CT) relies on the attenuation of x-rays, and is, hence, of limited use for weakly attenuating organs of the body, such as the lung. X-ray dark-field (DF)...
4.
Sandvold O, Proksa R, Daerr H, Perkins A, Brown K, Shapira N, et al.
Proc SPIE Int Soc Opt Eng
. 2024 May;
12925.
PMID: 38803525
Spectral computed tomography (CT) is a powerful diagnostic tool offering quantitative material decomposition results that enhance clinical imaging by providing physiologic and functional insights. Iodine, a widely used contrast agent,...
5.
Haeusele J, Schmid C, Viermetz M, Gustschin N, Lasser T, Koehler T, et al.
IEEE Trans Med Imaging
. 2024 May;
43(11):3820-3829.
PMID: 38739509
X-ray computed tomography (CT) is a crucial tool for non-invasive medical diagnosis that uses differences in materials' attenuation coefficients to generate contrast and provide 3D information. Grating-based dark-field-contrast X-ray imaging...
6.
Urban T, Noichl W, Engel K, Koehler T, Pfeiffer F
IEEE Trans Med Imaging
. 2024 Mar;
43(7):2646-2656.
PMID: 38451749
Dark-field radiography, a new X-ray imaging method, has recently been applied to human chest imaging for the first time. It employs conventional X-ray devices in combination with a Talbot-Lau interferometer...
7.
De Marco F, Andrejewski J, Urban T, Willer K, Gromann L, Koehler T, et al.
IEEE Trans Med Imaging
. 2023 Nov;
43(4):1422-1433.
PMID: 38032773
X-ray dark-field imaging enables a spatially-resolved visualization of ultra-small-angle X-ray scattering. Using phantom measurements, we demonstrate that a material's effective dark-field signal may be reduced by modification of the visibility...
8.
Douschan P, Egenlauf B, Gall H, Grunig E, Hager A, Heberling M, et al.
Pneumologie
. 2023 Nov;
77(11):854-861.
PMID: 37963475
In the recent ESC/ERS guidelines on the diagnosis and management of pulmonary hypertension (PH) several important changes have been made in respect of the definition and classification of PH.The mPAP...
9.
Noichl W, De Marco F, Willer K, Urban T, Frank M, Schick R, et al.
IEEE Trans Med Imaging
. 2023 Jun;
43(1):28-38.
PMID: 37342956
Grating-based X-ray phase-contrast and in particular dark-field radiography are promising new imaging modalities for medical applications. Currently, the potential advantage of dark-field imaging in early-stage diagnosis of pulmonary diseases in...
10.
Urban T, Sauter A, Frank M, Willer K, Noichl W, Bast H, et al.
Invest Radiol
. 2023 Jun;
58(11):775-781.
PMID: 37276130
Objectives: Dark-field chest radiography (dfCXR) has recently reached clinical trials. Here we compare dfCXR to conventional radiography for the detection and staging of pulmonary emphysema. Materials And Methods: Subjects were...