User profiles for M.E. Ladd

Mark Ladd

Head of Medical Physics in Radiology, German Cancer Research Center (DKFZ)
Verified email at dkfz.de
Cited by 18733

[HTML][HTML] Pros and cons of ultra-high-field MRI/MRS for human application

ME Ladd, P Bachert, M Meyerspeer, E Moser… - Progress in nuclear …, 2018 - Elsevier
Magnetic resonance imaging and spectroscopic techniques are widely used in humans
both for clinical diagnostic applications and in basic research areas such as cognitive …

7‐T MR—from research to clinical applications?

E Moser, F Stahlberg, ME Ladd… - NMR in …, 2012 - Wiley Online Library
Over 20 000 MR systems are currently installed worldwide and, although the majority
operate at magnetic fields of 1.5 T and below (ie about 70%), experience with 3‐T (in high‐field …

MRI at 7 Tesla and above: demonstrated and potential capabilities

…, AM Nagel, C Mönninghoff, ME Ladd - Journal of Magnetic …, 2015 - Wiley Online Library
With more than 40 installed MR systems worldwide operating at 7 Tesla or higher, ultra‐high‐field
(UHF) imaging has been established as a platform for clinically oriented research in …

Low‐frequency magnetic field measurements near the epicenter of the Ms 7.1 Loma Prieta Earthquake

…, A Bernardi, PR McGill, ME Ladd… - Geophysical …, 1990 - Wiley Online Library
We report the results of measurements of low frequency magnetic noise by two independent
monitoring systems prior to the occurrence of the M S 7.1 Loma Prieta earthquake of 17 …

Imaging the deep cerebellar nuclei: a probabilistic atlas and normalization procedure

…, M Küper, M Thürling, K Rabe, ER Gizewski, ME Ladd… - Neuroimage, 2011 - Elsevier
The deep cerebellar nuclei (DCN) are a key element of the cortico-cerebellar loop. Because
of their small size and functional diversity, it is difficult to study them using magnetic …

Reduction of resonant RF heating in intravascular catheters using coaxial chokes

ME Ladd, HH Quick - … in Medicine: An Official Journal of the …, 2000 - Wiley Online Library
The incorporation of RF coils into the tips of intravascular devices has been shown to enable
the localization of catheters and guidewires under MR guidance. Furthermore, such coils …

Correction of B1‐inhomogeneities for relaxation‐compensated CEST imaging at 7 T

…, D Paech, A Radbruch, ME Ladd… - NMR in …, 2015 - Wiley Online Library
Chemical exchange saturation transfer (CEST) imaging of endogenous agents in vivo is
influenced by direct water proton saturation (spillover) and semi‐solid macromolecular …

Relaxation-compensated CEST-MRI of the human brain at 7 T: unbiased insight into NOE and amide signal changes in human glioblastoma

…, W Wick, M Bendszus, HP Schlemmer, ME Ladd… - Neuroimage, 2015 - Elsevier
Endogenous chemical exchange saturation transfer (CEST) effects of protons resonating
near to water protons are always diluted by competing effects such as direct water saturation …

First clinical study on ultra-high-field MR imaging in patients with multiple sclerosis: comparison of 1.5 T and 7T

…, JM Theysohn, O Kraff, ME Ladd… - American Journal …, 2009 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Higher magnetic field strengths and continuous improvement
of high-resolution imaging in multiple sclerosis (MS) are expected to provide unique in-…

Measuring RF‐induced currents inside implants: impact of device configuration on MRI safety of cardiac pacemaker leads

…, F Fidler, V Herold, PM Jakob, ME Ladd… - … in Medicine: An …, 2009 - Wiley Online Library
Radiofrequency (RF)‐related heating of cardiac pacemaker leads is a serious concern in
magnetic resonance imaging (MRI). Recent investigations suggest such heating to be strongly …