Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Sebastian Lachner"'
Autor:
Laurent Ruck, Angelika Mennecke, Tobias Wilferth, Sebastian Lachner, Max Müller, Nico Egger, Arnd Doerfler, Michael Uder, Armin M. Nagel
Publikováno v:
Magnetic Resonance in Medicine. 89:1102-1116
To evaluate the classifiability of small multiple sclerosis (MS)-like lesions in simulated sodium (Lesions show higher classifiability inReliability of lesion classifiability strongly depends on the lesion volume and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca997a4bd848b6dc89d89f1337e9aad9
https://doi.org/10.1002/mrm.29476
https://doi.org/10.1002/mrm.29476
Autor:
Tobias Wilferth, Angelika Mennecke, Lena V. Gast, Sebastian Lachner, Max Müller, Veit Rothhammer, Konstantin Huhn, Michael Uder, Arnd Doerfler, Armin M. Nagel, Manuel Schmidt
Publikováno v:
NMR in biomedicineREFERENCES. 35(12)
Apparent tissue sodium concentrations (aTSCs) determined by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ce0f47e6418afe83838bda3c0c8f029
https://pubmed.ncbi.nlm.nih.gov/35892310
https://pubmed.ncbi.nlm.nih.gov/35892310
Autor:
Sebastian Lachner, Michael Weber, Ella Asseryanis, Armin M. Nagel, Siegfried Trattnig, Lenka Minarikova, Alex Farr, Olgica Zaric, Christian F. Singer
Publikováno v:
Radiology. 299:63-72
Background Tissue sodium concentration (TSC) is elevated in breast cancer and can determine chemotherapy response. Purpose To test the feasibility of using a sodium 23 (23Na) MRI protocol at 7.0 T for TSC quantification to predict early treatment out
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88df52faa93c86c48201347e336161ed
https://doi.org/10.1148/radiol.2021201600
https://doi.org/10.1148/radiol.2021201600
Autor:
Laurent Ruck, Lenka Minarikova, Siegfried Trattnig, Michael Uder, Armin M. Nagel, Matthias Utzschneider, Sebastian Lachner, Bernhard Hensel, Štefan Zbýň, Olgica Zaric
Publikováno v:
Zeitschrift für Medizinische Physik. 31:48-57
Purpose To implement and to evaluate a compressed sensing (CS) reconstruction algorithm based on the sensitivity encoding (SENSE) combination scheme (CS-SENSE), used to reconstruct sodium magnetic resonance imaging (23Na MRI) multi-channel breast dat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1eb1c957987c3d088cf931f5651253a6
https://doi.org/10.1016/j.zemedi.2020.10.003
https://doi.org/10.1016/j.zemedi.2020.10.003
Autor:
Andreas Maier, Sebastian Lachner, Matthias Utzschneider, Michael Uder, Nicolas G.R. Behl, Lena V. Gast, Armin M. Nagel, Max Müller
Publikováno v:
Magnetic Resonance Imaging. 75:72-88
Purpose To compare three anisotropic acquisition schemes and three compressed sensing (CS) approaches for accelerated tissue sodium concentration (TSC) quantification using 23Na MRI at 7 T. Materials and methods Three anisotropic 3D-radial acquisitio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f077491231c2a1207cb25da20e7856da
https://doi.org/10.1016/j.mri.2020.09.019
https://doi.org/10.1016/j.mri.2020.09.019
Autor:
Nicolas G.R. Behl, Sebastian Lachner, Andreas Maier, Matthias Utzschneider, Michael Uder, Armin M. Nagel, Lena V. Gast
Publikováno v:
Magnetic Resonance Materials in Physics, Biology and Medicine. 33:495-505
To accelerate tissue sodium concentration (TSC) quantification of skeletal muscle usingSimulations and in vivoReconstruction results of simulated data with optimized 3D-DLCS yielded a lower deviation ( 4%) from the GT than results of the NUFFT recons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4321c939914a3dc257b841f5660d9f1c
https://doi.org/10.1007/s10334-019-00819-2
https://doi.org/10.1007/s10334-019-00819-2
Autor:
Sebastian Lachner, Armin M. Nagel, Štefan Zbýň, Matthias Utzschneider, Siegfried Trattnig, Bernhard Hensel, Michael Uder, Lenka Minarikova, Olgica Zaric
Publikováno v:
Magnetic Resonance Imaging. 60:145-156
Purpose To reduce acquisition time and to improve image quality in sodium magnetic resonance imaging (23Na MRI) using an iterative reconstruction algorithm for multi-channel data sets based on compressed sensing (CS) with anatomical 1H prior knowledg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ba5193c09b2105a90585bbfa3b0afee
https://doi.org/10.1016/j.mri.2019.03.024
https://doi.org/10.1016/j.mri.2019.03.024
Autor:
Sebastian, Lachner, Matthias, Utzschneider, Olgica, Zaric, Lenka, Minarikova, Laurent, Ruck, Štefan, Zbýň, Bernhard, Hensel, Siegfried, Trattnig, Michael, Uder, Armin M, Nagel
Publikováno v:
Zeitschrift fur medizinische Physik. 31(1)
To implement and to evaluate a compressed sensing (CS) reconstruction algorithm based on the sensitivity encoding (SENSE) combination scheme (CS-SENSE), used to reconstruct sodium magnetic resonance imaging (In a simulation study, the CS-SENSE algori
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::00b79fc6d4aa10f5d9dee45d80ced4d0
https://pubmed.ncbi.nlm.nih.gov/33183893
https://pubmed.ncbi.nlm.nih.gov/33183893
Autor:
Matthias Utzschneider, Nicolas G. R. Behl, Sebastian Lachner, Lena V. Gast, Andreas Maier, Michael Uder, Armin M. Nagel
Publikováno v:
Magma (New York, N.Y.). 33(5)
The original version of this article unfortunately contained a mistake. Title was incorrect.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb3f84033aea4028a3574e48ed007d5d
https://pubmed.ncbi.nlm.nih.gov/31950390
https://pubmed.ncbi.nlm.nih.gov/31950390
Autor:
Sebastian, Lachner, Laurent, Ruck, Sebastian C, Niesporek, Matthias, Utzschneider, Johanna, Lott, Bernhard, Hensel, Arnd, Dörfler, Michael, Uder, Armin M, Nagel
Publikováno v:
Zeitschrift fur medizinische Physik. 30(2)
To correct for the non-homogeneous receive profile of a phased array head coil in sodium magnetic resonance imaging (Phantom measurements show the correction of the intensity profile applying the given methods. Compared to the uncorrected phased arra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::08ddb57e58c9e2808f9008ed0eb92e31
https://pubmed.ncbi.nlm.nih.gov/31866116
https://pubmed.ncbi.nlm.nih.gov/31866116