Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Hans-Juergen Raatschen"'
Autor:
PhD, Babak Alikhani, MD, Thomas Werncke, MD, Hans-Jürgen Raatschen, MD, Frank Wacker, MD, Hoen-oh Shin
Purpose: To evaluate the influence of ADMIRE algorithm on image texture and image visual impression as a supplement to measurements of common image quality parameters such as noise levels and spatial resolution. Methods: An ACR phantom was examined a
Externí odkaz:
http://arxiv.org/abs/1809.05313
Publikováno v:
PLoS ONE, Vol 16, Iss 4, p e0250490 (2021)
The objective of this study is to identify essential aspects influencing radiation dose in computed tomography [CT] of the chest, abdomen and pelvis by intraindividual comparison of imaging parameters and patient related factors. All patients receivi
Externí odkaz:
https://doaj.org/article/addba2aca17e4097b98afbb966c78ae9
Publikováno v:
PLoS ONE, Vol 15, Iss 5, p e0233574 (2020)
PURPOSE:To determine the concordance rate between core needle biopsy/vacuum-assisted biopsy (CNB/VAB) and postoperative histopathology in B3 (lesions of uncertain malignant potential) and B5a (in situ) lesions found on mammograms or ultrasound. MATER
Externí odkaz:
https://doaj.org/article/424cbc5b04514421a65969438c0fca1d
Autor:
Kristina I Ringe, Carolin Lutat, Christian Rieder, Andrea Schenk, Frank Wacker, Hans-Juergen Raatschen
Publikováno v:
PLoS ONE, Vol 10, Iss 7, p e0134301 (2015)
To demonstrate and quantify the heat sink effect in hepatic microwave ablation (MWA) in a standardized ex vivo model, and to analyze the influence of vessel distance and blood flow on lesion volume and shape.108 ex vivo MWA procedures were performed
Externí odkaz:
https://doaj.org/article/77c4b736134044e1934639c6f7de5924
Autor:
Henrike Lenzen, Kristina Ringe, Hans-Juergen Raatschen, Jan B. Hinrichs, Frank Wacker, Marcel Gutberlet, Heiko Hinrichs
Publikováno v:
European Radiology. 26:1116-1124
To assess the value of variable flip angle-based T1 liver mapping on gadoxetate disodium-enhanced MRI in patients with primary sclerosing cholangitis (PSC) for evaluation of global and segmental liver function, and determine a possible correlation wi
Autor:
Michael Winkler, Bastian P. Ringe, Hans-Juergen Raatschen, Frank Wacker, Simone Meyer, Kristina Ringe
Publikováno v:
European Journal of Radiology. 84:215-220
To assess the value of oral effervescent powder (EP) for evaluation of esophageal distension, and for detection and staging of esophageal cancer with contrast-enhanced CT.84 patients without esophageal pathology and 52 patients with histological conf
Autor:
Hans-Juergen Raatschen, Birgit Hotz, Heinz J. Buhr, Hubert G. Hotz, Christian-Olaf Schoenfeld, Benjamin Zsivcsec, Susanne Fischer
Publikováno v:
Acta Radiologica. 55:131-139
Background Currently, early changes of tumor vasculature after angiogenesis inhibition can only be evaluated by histopathology, a method not suitable in a clinical setting. Purpose To quantify effects of different angiogenesis inhibitors on the micro
Autor:
Yanjun Fu, Barbara Sennino, Donald M. McDonald, V Rogut, Clemens C. Cyran, Bundit Chaopathomkul, Michael F. Wendland, Robert C. Brasch, David M. Shames, Hans-Juergen Raatschen
Publikováno v:
European Journal of Radiology. 81:891-896
Purpose To correlate dynamic MRI assays of macromolecular endothelial permeability with microscopic area–density measurements of vascular endothelial growth factor (VEGF) in tumors. Methods and material This study compared tumor xenografts from two
Autor:
Donald M. McDonald, Barbara Sennino, Weon-Kyoo You, Hans-Juergen Raatschen, David M. Shames, Michael F. Wendland, Yanjun Fu, Robert C. Brasch
Publikováno v:
Magnetic Resonance in Medicine. 62:616-625
The purpose of this study was to define the feasibility of dynamic contrast-enhanced magnetic resonance imaging (MRI) to estimate the vascular density and leakiness of spontaneous islet cell tumors in RIP-Tag2 transgenic mice. Dynamic T1-weighted spo
Autor:
Robert C. Brasch, Benjamin M. Yeh, Hans-Juergen Raatschen, Yanjun Fu, David M. Shames, Hubertus Pietsch
Publikováno v:
Investigative Radiology. 44:265-270
Rationale and Objectives: To evaluate the potential of dynamic CT enhanced by iohexol or a novel macromolecular contrast agent, PEG 12ooo -Gen4-triiodo, to monitor microvascular changes in tumors treated with the angiogenesis inhibitor bevacizumab. M