Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Benjamin R, Knowles"'
Publikováno v:
Clinical and Translational Radiation Oncology, Vol 18, Iss , Pp 87-97 (2019)
Technological advances in Magnetic Resonance Imaging (MRI) in terms of field strength and hybrid MR systems have led to improvements in tumor imaging in terms of anatomy and functionality. This review paper discusses the applications of such advances
Externí odkaz:
https://doaj.org/article/60e0e0000ee141a2ae6f039878353689
Autor:
Fabian J. Kratzer, Arthur W. Magill, Mark E. Ladd, Peter Bachert, Sebastian Schmitter, Tobias Wilferth, Tanja Platt, Benjamin R. Knowles, Armin M. Nagel, Sebastian Flassbeck
Publikováno v:
Magnetic Resonance in Medicine. 86:2412-2425
Purpose To develop a framework for 3D sodium (23 Na) MR fingerprinting (MRF), based on irreducible spherical tensor operators with tailored flip angle (FA) pattern and time-efficient data acquisition for simultaneous quantification of T1 , T 2 l ∗
Autor:
C Katharina Renkamp, Juliane Hörner-Rieber, Peter Bachert, Mark E. Ladd, Benjamin R. Knowles, Florian Friedrich, Sebastian Klüter
Publikováno v:
Medical Physics. 48:587-596
Purpose Hybrid MRI-linear accelerator systems (MR-linacs) allow for the incorporation of MR images with high soft-tissue contrast into the radiation therapy procedure prior to, during, or post irradiation. This allows not only for the optimization of
Autor:
Benjamin R. Knowles, Sebastian Schmitter, Fabian J. Kratzer, Mark E. Ladd, Peter Bachert, Nicolas G.R. Behl, Sebastian Flassbeck, Armin M. Nagel
Publikováno v:
Magnetic Resonance in Medicine. 84:2577-2591
PURPOSE To evaluate the feasibility of 23 Na MR fingerprinting (MRF) for simultaneous quantification of T1 , T2l∗ , T2s∗ , T2∗ in addition to ΔB0 . METHODS A framework for sodium relaxometry using MRF at 7T was developed, allowing simultaneous
Autor:
Fabian J, Kratzer, Sebastian, Flassbeck, Sebastian, Schmitter, Tobias, Wilferth, Arthur W, Magill, Benjamin R, Knowles, Tanja, Platt, Peter, Bachert, Mark E, Ladd, Armin M, Nagel
Publikováno v:
Magnetic resonance in medicineREFERENCES. 86(5)
To develop a framework for 3D sodium (Phantom experiments revealed a mean difference of 1.0% between relaxation times acquired with MRF and results determined with the reference methods. Simultaneous quantification of the longitudinal and transverse
Publikováno v:
Clinical and Translational Radiation Oncology
Clinical and Translational Radiation Oncology, Vol 18, Iss, Pp 87-97 (2019)
Clinical and Translational Radiation Oncology, Vol 18, Iss, Pp 87-97 (2019)
Highlights • This review paper covers topics regarding new clinical techniques in MRI that can aid clinicians in diagnosis and treatment response of tumors, as well and guidance during therapy. • New MRI techniques in radiotherapy. • Ultrahigh
Publikováno v:
PLoS ONE, Vol 9, Iss 9, p e104844 (2014)
Cardiovascular magnetic resonance (MR) provides non-invasive assessment of early (24-hour) edema and injury following pulmonary vein isolation (by ablation) and subsequent scar formation. We hypothesize that 24-hours after ablation, cardiovascular MR
Externí odkaz:
https://doaj.org/article/78bcfcba42ac4fe6b3bb3c29ed3a59a1
Autor:
Fabian J, Kratzer, Sebastian, Flassbeck, Armin M, Nagel, Nicolas G R, Behl, Benjamin R, Knowles, Peter, Bachert, Mark E, Ladd, Sebastian, Schmitter
Publikováno v:
Magnetic resonance in medicineREFERENCES. 84(5)
To evaluate the feasibility ofA framework for sodium relaxometry using MRF at 7T was developed, allowing simultaneous measurement of relaxation times and inhomogeneities in the static field. The technique distinguishes between bi- and monoexponential
Publikováno v:
Journal of Magnetic Resonance Imaging. 46:452-460
Purpose To demonstrate improved T2 and T1ρ mapping of patellofemoral cartilage with in situ loading by means of prospective motion correction and to assess load-induced changes in healthy subjects. Materials and methods Established T2 and T1ρ mappi
Autor:
Elham Taghizadeh, Kaywan Izadpanah, Thomas Lange, Norbert P. Südkamp, Hans Meine, Benjamin R. Knowles, Maxim Zaitsev
Publikováno v:
Journal of magnetic resonance imaging : JMRIReferences. 50(5)
BACKGROUND Higher-resolution MRI of the patellofemoral cartilage under loading is hampered by subject motion since knee flexion is required during the scan. PURPOSE To demonstrate robust quantification of cartilage compression and contact area change