Zobrazeno 1 - 10
of 277
pro vyhledávání: '"Stefan O, Schönberg"'
Autor:
Thomas Stein, Jana Taron, Niklas Verloh, Michael Doppler, Alexander Rau, Muhammad Taha Hagar, Sebastian Faby, Dimos Baltas, Dirk Westermann, Isabelle Ayx, Stefan O. Schönberg, Konstantin Nikolaou, Christopher L. Schlett, Fabian Bamberg, Jakob Weiss
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)
Abstract Accurate small vessel stent visualization using CT remains challenging. Photon-counting CT (PCD-CT) may help to overcome this issue. We systematically investigate PCD-CT impact on small vessel stent assessment compared to energy-integrating-
Externí odkaz:
https://doaj.org/article/c76a85ec05ad4250b7c6322f951a50fc
Autor:
Daniel Dillinger, Daniel Overhoff, Matthias F. Froelich, Hanns L. Kaatsch, Christian Booz, Achim Hagen, Thomas J. Vogl, Stefan O. Schönberg, Stephan Waldeck
Publikováno v:
Diagnostics, Vol 14, Iss 6, p 626 (2024)
Objectives: The aim of this study was to analyze the extent of dental metal artifacts in virtual monoenergetic (VME) images, as they often compromise image quality by obscuring soft tissue affecting vascular attenuation reducing sensitivity in the de
Externí odkaz:
https://doaj.org/article/14318f782540459181466a22502b54f4
Autor:
Daniel Dillinger, Daniel Overhoff, Isabelle Ayx, Hanns L. Kaatsch, Achim Hagen, Stefan O. Schönberg, Stephan Waldeck
Publikováno v:
Diagnostics, Vol 14, Iss 6, p 627 (2024)
Background: Photon-counting detector (PCD) computed tomography (CT) allows for the reconstruction of virtual monoenergetic images (VMI) at different thresholds. Objective: The aim of our study was to evaluate the optimal arterial contrast in portal v
Externí odkaz:
https://doaj.org/article/1aadf54f7b7c46978432b8cab36279b5
Publikováno v:
Anatomia, Vol 2, Iss 1, Pp 15-26 (2023)
This study evaluates ultra-low-dose computed tomography (ULDCT) protocols concerning the detectability of pulmonary nodules. The influence of tube current settings, kernels, strength levels of third-generation iterative reconstruction algorithms, and
Externí odkaz:
https://doaj.org/article/9d37ff4e067c42e58ab817e7df1d60a8
Autor:
Maliha Sadick, Leonie Hofmann, Christel Weiß, Benjamin Tuschy, Stefan O. Schönberg, Frank G. Zöllner
Publikováno v:
BMC Medical Imaging, Vol 22, Iss 1, Pp 1-8 (2022)
Abstract Background Uterine fibroid embolisation (UFE) is an established treatment method for symptomatic uterine myomas. This study evaluates the efficacy of UFE using objective magnetic resonance imaging (MRI) data for size and perfusion analysis a
Externí odkaz:
https://doaj.org/article/fa9aaac588b047babd7315b177597e19
Autor:
Marc Pretze, Laura Reffert, Steffen Diehl, Stefan O. Schönberg, Carmen Wängler, Peter Hohenberger, Björn Wängler
Publikováno v:
EJNMMI Radiopharmacy and Chemistry, Vol 6, Iss 1, Pp 1-13 (2021)
Abstract Background [68Ga]Ga-NeoB is a novel DOTA-coupled Gastrin Releasing Peptide Receptor (GRPR) antagonist with high affinity for GRPR and good in vivo stability. This study aimed at (1) the translation of preclinical results to the clinics and e
Externí odkaz:
https://doaj.org/article/565810819d3d408980e85f7f52a44c84
Autor:
Arne Estler, Konstantin Nikolaou, Stefan O. Schönberg, Fabian Bamberg, Matthias F. Froelich, Fabian Tollens, Niklas Verloh, Jakob Weiss, Marius Horger, Florian Hagen
Publikováno v:
Diagnostics, Vol 13, Iss 8, p 1454 (2023)
Background: To compare the diagnostic characteristics between arterial phase imaging versus portal venous phase imaging, applying polychromatic T3D images and low keV virtual monochromatic images using a 1st generation photon-counting CT detector, of
Externí odkaz:
https://doaj.org/article/6806dc9c61f34ab3910b04b389853ea7
Autor:
Chao You, Anna K. Kaiser, Pascal Baltzer, Julia Krammer, Yajia Gu, Weijun Peng, Stefan O. Schönberg, Clemens G. Kaiser
Publikováno v:
Translational Oncology, Vol 11, Iss 2, Pp 243-249 (2018)
OBJECTIVE: To investigate promoting factors for background parenchymal enhancement (BPE) in MR mammography (MRM). METHODS: 146 patients were retrospectively evaluated, including 91 high-risk patients (50 BRCA patients, 41 patients with elevated lifet
Externí odkaz:
https://doaj.org/article/191ae2a61cf24d26984e402ca822a811
Autor:
Sonja Sudarski, Holger Haubenreisser, Thomas Henzler, Carolin Reischauer, Orpheus Kolokythas, Simon Matoori, Bernhard A Herzog, Stefan O Schönberg, Andreas Gutzeit
Publikováno v:
PLoS ONE, Vol 14, Iss 1, p e0210473 (2019)
ObjectivesTo assess the occurrence of transient interruption of contrast (TIC) phenomenon in pulmonary computed tomography angiography (CTPA) exams performed in inspiratory breath-hold after patients were told to inspire gently.MethodsIn this retrosp
Externí odkaz:
https://doaj.org/article/9be60431c3bd4a0fa8198bbad360c3e5
Autor:
Thomas Stein, Alexander Rau, Maximilian Frederik Russe, Philipp Arnold, Sebastian Faby, Stefan Ulzheimer, Meike Weis, Matthias F. Froelich, Daniel Overhoff, Marius Horger, Florian Hagen, Malte Bongers, Konstantin Nikolaou, Stefan O. Schönberg, Fabian Bamberg, Jakob Weiß
Publikováno v:
RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren.
Background Photon-counting computed tomography (PCCT) is a promising new technology with the potential to fundamentally change today’s workflows in the daily routine and to provide new quantitative imaging information to improve clinical decision-m