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Susceptibility weighted imaging with multiple echoes.
Denk C, Rauscher A. Denk C, et al. J Magn Reson Imaging. 2010 Jan;31(1):185-91. doi: 10.1002/jmri.21995. J Magn Reson Imaging. 2010. PMID: 20027586
The phase images of each echo were filtered with filter parameters adjusted to the echo time, converted into a phase mask, and combined with the corresponding magnitude images to obtain susceptibility weighted images. ...
The phase images of each echo were filtered with filter parameters adjusted to the echo time, converted into a phase mask, and combin …
Automated unwrapping of MR phase images applied to BOLD MR-venography at 3 Tesla.
Rauscher A, Barth M, Reichenbach JR, Stollberger R, Moser E. Rauscher A, et al. J Magn Reson Imaging. 2003 Aug;18(2):175-80. doi: 10.1002/jmri.10346. J Magn Reson Imaging. 2003. PMID: 12884329
MATERIALS AND METHODS: High resolution, T(2)(*)-weighted, single echo images were acquired on a 3 T system (Medspec 30/80 Avance, Bruker Medical, Ettlingen, Germany) with a three-dimensional, first order velocity compensated gradient echo sequence using a qua …
MATERIALS AND METHODS: High resolution, T(2)(*)-weighted, single echo images were acquired on a 3 T system (Medspec 30/80 Avance, Bru …
Robust field map generation using a triple-echo acquisition.
Windischberger C, Robinson S, Rauscher A, Barth M, Moser E. Windischberger C, et al. J Magn Reson Imaging. 2004 Oct;20(4):730-4. doi: 10.1002/jmri.20158. J Magn Reson Imaging. 2004. PMID: 15390143
PURPOSE: To establish a fast and robust technique for generating magnetic field maps for the correction of geometric distortions in echo-planar magnetic resonance (MR) images. MATERIALS AND METHODS: Multislice gradient-echo (GE) images were acquired at echo times of 6, 6.5 …
PURPOSE: To establish a fast and robust technique for generating magnetic field maps for the correction of geometric distortions in e …
Magnetic susceptibility-weighted MR phase imaging of the human brain.
Rauscher A, Sedlacik J, Barth M, Mentzel HJ, Reichenbach JR. Rauscher A, et al. AJNR Am J Neuroradiol. 2005 Apr;26(4):736-42. AJNR Am J Neuroradiol. 2005. PMID: 15814914
METHODS: High-spatial-resolution, T2*-weighted, single-echo images were acquired in five volunteers and one patient with a brain tumor on a 1.5T system by applying a 3D, first-order, velocity-compensated gradient echo sequence by using a quadrature tra …
METHODS: High-spatial-resolution, T2*-weighted, single-echo images were acquired in five volunteers and one patient with a brain tumo …
Subtraction of in-phase and opposed-phase images in dynamic MR mammography.
Reichenbach JR, Hopfe J, Rauscher A, Wurdinger S, Kaiser WA. Reichenbach JR, et al. J Magn Reson Imaging. 2005 May;21(5):565-75. doi: 10.1002/jmri.20316. J Magn Reson Imaging. 2005. PMID: 15834904
PURPOSE: To develop and to evaluate an advanced image acquisition and analysis method for collecting T(1)-weighted dynamic 3D MR mammography data sets by using a combined in-phase (IP) and opposed-phase (OP) imaging procedure. ...A phantom data set, two volunteer br …
PURPOSE: To develop and to evaluate an advanced image acquisition and analysis method for collecting T(1)-weighted dynamic 3D MR mammography …
Nonnvasive assessment of vascular architecture and function during modulated blood oxygenation using susceptibility weighted magnetic resonance imaging.
Rauscher A, Sedlacik J, Barth M, Haacke EM, Reichenbach JR. Rauscher A, et al. Magn Reson Med. 2005 Jul;54(1):87-95. doi: 10.1002/mrm.20520. Magn Reson Med. 2005. PMID: 15968657 Clinical Trial.
Susceptibility weighted imaging (SWI) is a BOLD-sensitive method for visualizing anatomical features such as small cerebral veins in high detail. The purpose of this study was to evaluate high-resolution SWI in combination with a modulation of blood oxygenation by b …
Susceptibility weighted imaging (SWI) is a BOLD-sensitive method for visualizing anatomical features such as small cerebral veins in …
High resolution susceptibility weighted MR-imaging of brain tumors during the application of a gaseous agent.
Rauscher A, Sedlacik J, Fitzek C, Walter B, Hochstetter A, Kalff R, Kaiser WA, Reichenbach JR. Rauscher A, et al. Rofo. 2005 Aug;177(8):1065-9. doi: 10.1055/s-2005-858428. Rofo. 2005. PMID: 16021537 Clinical Trial.
METHODS: Five patients with cerebral tumors (four glioblastoma multiforme, one astrocytoma [WHO grade II]) were studied using a susceptibility weighted 3D gradient echo, first order velocity compensated sequence (TE = 45 ms, TR = 67 ms, alpha = 25 degrees , FOV = 256 x 192 …
METHODS: Five patients with cerebral tumors (four glioblastoma multiforme, one astrocytoma [WHO grade II]) were studied using a susce …
Contrast-enhanced, high-resolution, susceptibility-weighted magnetic resonance imaging of the brain: dose-dependent optimization at 3 tesla and 1.5 tesla in healthy volunteers.
Noebauer-Huhmann IM, Pinker K, Barth M, Mlynarik V, Ba-Ssalamah A, Saringer WF, Weber M, Benesch T, Witoszynskyj S, Rauscher A, Reichenbach JR, Trattnig S. Noebauer-Huhmann IM, et al. Invest Radiol. 2006 Mar;41(3):249-55. doi: 10.1097/01.rli.0000188360.24222.5e. Invest Radiol. 2006. PMID: 16481907
Three independent radiologists blindly rated the visibility of the veins on a continuous scale of 1 to 10. A general linear model was used for statistical evaluation, with fixed effects of the contrast agent dose, the field strength, the rater and the patients as …
Three independent radiologists blindly rated the visibility of the veins on a continuous scale of 1 to 10. A general linear mo …
Susceptibility weighted imaging: data acquisition, image reconstruction and clinical applications.
Rauscher A, Sedlacik J, Deistung A, Mentzel HJ, Reichenbach JR. Rauscher A, et al. Z Med Phys. 2006;16(4):240-50. doi: 10.1078/0939-3889-00322. Z Med Phys. 2006. PMID: 17216749
Susceptibility-weighted imaging (SWI) is a novel method, that combines magnitude and phase information from a high-resolution, fully velocity compensated 3D T2-weighted gradient echo sequence. ...This technique has been applied thus far to the imaging of tumors, vas …
Susceptibility-weighted imaging (SWI) is a novel method, that combines magnitude and phase information from a high-resolution, …
Demonstration of paramagnetic and diamagnetic cerebral lesions by using susceptibility weighted phase imaging (SWI).
Deistung A, Mentzel HJ, Rauscher A, Witoszynskyj S, Kaiser WA, Reichenbach JR. Deistung A, et al. Z Med Phys. 2006;16(4):261-7. doi: 10.1078/0939-3889-00324. Z Med Phys. 2006. PMID: 17216751
Susceptibility-weighted MR imaging (SWI) has become a non-invasive diagnostic modality for functional MR imaging (fMRI) of the brain and also for the imaging of tumors, injuries, malformations or microhemorrhages. ...
Susceptibility-weighted MR imaging (SWI) has become a non-invasive diagnostic modality for functional MR imaging (fMRI) of the brain …
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