Oliver Marcel Geier
- MR Physicist; PhD
- +47 23070279 / 22781120
Mob: +47 91539131
Publications 2024
Assessing regional intracortical myelination in schizophrenia spectrum and bipolar disorders using the optimized T1w/T2w-ratio
Psychol Med, 1-11 (in press)
DOI 10.1017/S0033291724000503, PubMed 38563302
Current Auditory Hallucinations Are Not Associated With Specific White Matter Diffusion Alterations in Schizophrenia
Schizophr Bull Open, 5 (1), sgae008
DOI 10.1093/schizbullopen/sgae008, PubMed 39144116
Recalled through this day but forgotten next week?-retrieval activity predicts durability of partly consolidated memories
Cereb Cortex, 34 (6)
DOI 10.1093/cercor/bhae233, PubMed 38937077
Developing blood-brain barrier arterial spin labelling as a non-invasive early biomarker of Alzheimer's disease (DEBBIE-AD): a prospective observational multicohort study protocol
BMJ Open, 14 (3), e081635
DOI 10.1136/bmjopen-2023-081635, PubMed 38458785
Publications 2023
Sustained upregulation of widespread hippocampal-neocortical coupling following memory encoding
Cereb Cortex, 33 (8), 4844-4858
DOI 10.1093/cercor/bhac384, PubMed 36190442
MRI Assessment of Changes in Tumor Vascularization during Neoadjuvant Anti-Angiogenic Treatment in Locally Advanced Breast Cancer Patients
Cancers (Basel), 15 (18)
DOI 10.3390/cancers15184662, PubMed 37760629
Arachidonic and docosahexaenoic acid supplementation and brain maturation in preterm infants; a double blind RCT
Clin Nutr, 43 (1), 176-186
DOI 10.1016/j.clnu.2023.11.037, PubMed 38061271
Corrigendum to "Sleep and sleep deprivation differentially alter white matter microstructure: A mixed model design utilising advanced diffusion modelling"
Neuroimage, 270, 119939
DOI 10.1016/j.neuroimage.2023.119939, PubMed 36841108
Publications 2022
Effects of pulmonary rehabilitation on cardiac magnetic resonance parameters in patients with persistent dyspnea following pulmonary embolism
Int J Cardiol Heart Vasc, 40, 100995
DOI 10.1016/j.ijcha.2022.100995, PubMed 35345773
Reduced Hippocampal-Striatal Interactions during Formation of Durable Episodic Memories in Aging
Cereb Cortex, 32 (11), 2358-2372
DOI 10.1093/cercor/bhab331, PubMed 34581398
Evidence for widespread alterations in cortical microstructure after 32 h of sleep deprivation
Transl Psychiatry, 12 (1), 161
DOI 10.1038/s41398-022-01909-x, PubMed 35422097
Publications 2021
Precontrast Magnetic Resonance Imaging Findings and Assessment of Dynamic Contrast-Enhanced Magnetic Resonance Imaging in Low-and High-Flow Vascular Malformations
Journal of Vascular Anomalies, 2 (3), e019
DOI 10.1097/JOVA.0000000000000019, PublikaID 403
Association between myocardial fibrosis, as assessed with cardiac magnetic resonance T1 mapping, and persistent dyspnea after pulmonary embolism
Int J Cardiol Heart Vasc, 38, 100935
DOI 10.1016/j.ijcha.2021.100935, PubMed 35005213
Multisite reproducibility and test-retest reliability of the T1w/T2w-ratio: A comparison of processing methods
Neuroimage, 245, 118709
DOI 10.1016/j.neuroimage.2021.118709, PubMed 34848300
Publications 2020
Hepatic magnetic resonance T1-mapping and extracellular volume fraction compared to shear-wave elastography in pediatric Fontan-associated liver disease
Pediatr Radiol, 51 (1), 66-76
DOI 10.1007/s00247-020-04805-y, PubMed 33033916
Noise dependency in vascular parameters from combined gradient-echo and spin-echo DSC MRI
Phys Med Biol, 65 (22), 225020
DOI 10.1088/1361-6560/abb71a, PubMed 33200748
The impact of EPI-based distortion correction of dynamic susceptibility contrast MRI on cerebral blood volume estimation in patients with glioblastoma
Eur J Radiol, 132, 109278
DOI 10.1016/j.ejrad.2020.109278, PubMed 33010685
Diagnostic utility of Restriction Spectrum Imaging in the characterization of the peritumoral brain zone in glioblastoma: Analysis of overall and progression-free survival
Eur J Radiol, 132, 109289
DOI 10.1016/j.ejrad.2020.109289, PubMed 33002815
Responses in the diffusivity and vascular function of the irradiated normal brain are seen up until 18 months following SRS of brain metastases
Neurooncol Adv, 2 (1), vdaa028
DOI 10.1093/noajnl/vdaa028, PubMed 32642687
Sleep and sleep deprivation differentially alter white matter microstructure: A mixed model design utilising advanced diffusion modelling
Neuroimage, 226, 117540
DOI 10.1016/j.neuroimage.2020.117540, PubMed 33186715
Evidence for wakefulness-related changes to extracellular space in human brain white matter from diffusion-weighted MRI
Neuroimage, 212, 116682
DOI 10.1016/j.neuroimage.2020.116682, PubMed 32114147
Publications 2019
Toward Personalized Computer Simulation of Breast Cancer Treatment: A Multiscale Pharmacokinetic and Pharmacodynamic Model Informed by Multitype Patient Data
Cancer Res, 79 (16), 4293-4304
DOI 10.1158/0008-5472.CAN-18-1804, PubMed 31118201
PTEN Expression in Prostate Cancer: Relationship With Clinicopathologic Features and Multiparametric MRI Findings
AJR Am J Roentgenol, 212 (6), 1206-1214
DOI 10.2214/AJR.18.20743, PubMed 30888866
Publications 2018
Brain metastases with poor vascular function are susceptible to pseudoprogression after stereotactic radiation surgery
Adv Radiat Oncol, 3 (4), 559-567
DOI 10.1016/j.adro.2018.05.005, PubMed 30370356
Diffuse myocardial fibrosis in adolescents operated with arterial switch for transposition of the great arteries - A CMR study
Int J Cardiol, 276, 100-106
DOI 10.1016/j.ijcard.2018.11.107, PubMed 30527348
Publications 2015
Multi-vendor reliability of arterial spin labeling perfusion MRI using a near-identical sequence: implications for multi-center studies
Neuroimage, 113, 143-52
DOI 10.1016/j.neuroimage.2015.03.043, PubMed 25818685
Aqueductal Stroke Volume: Comparisons with Intracranial Pressure Scores in Idiopathic Normal Pressure Hydrocephalus
AJNR Am J Neuroradiol, 36 (9), 1623-30
DOI 10.3174/ajnr.A4340, PubMed 25977480
Reply: To PMID 25977480
AJNR Am J Neuroradiol, 36 (9), 1633-4
DOI 10.3174/ajnr.A4488, PubMed 26251437
Publications 2014
Accurate Metabolic Images of the Human Myocardium by Means of 31P Magnetic Resonance Chemical Shift Imaging with Spatial Saturation Pulses
Concepts in Magnetic Resonance Part A, 42 (5), 187-195 (in press)
DOI 10.1002/cmr.a.21284, PublikaID 193
Diffusion-weighted MRI compared to FDG PET/CT for assessment of early treatment response in lymphoma
Acta Radiol, 56 (2), 152-8
DOI 10.1177/0284185114526087, PubMed 24585944
Associations between tumor vascularization assessed by in vivo DCE-MRI and the presence of disseminated tumor cells in bone marrow in breast cancer patients at the time of diagnosis
J Magn Reson Imaging, 40 (6), 1382-91
DOI 10.1002/jmri.24502, PubMed 24470360
Publications 2013
Accurate Metabolic Images of the Human Myocardium by Means of P-31 Magnetic Resonance Chemical Shift Imaging with Spatial Saturation Pulses
Concepts Magn. Reson. Part A, 42 (5), 187-195
DOI 10.1002/cmr.a.21284
Acquisition-weighted chemical shift imaging improves SLOOP quantification of human cardiac phosphorus metabolites
Z Med Phys, 24 (1), 49-54
DOI 10.1016/j.zemedi.2013.01.002, PubMed 23375741
STUDY ON LIVER BLOOD VESSEL MOVEMENT DURING BREATHING CYCLE
2013 COLOUR AND VISUAL COMPUTING SYMPOSIUM (CVCS)
Reproducibility of manual and semi-automated late enhancement quantification in patients with Fabry disease
Acta Radiol, 55 (2), 155-60
DOI 10.1177/0284185113505275, PubMed 24078459
Publications 2012
Routine pelvic MRI using phased-array coil for detection of extraprostatic tumour extension: accuracy and clinical significance
Eur Radiol, 23 (4), 1158-66
DOI 10.1007/s00330-012-2669-x, PubMed 23114883
Quantitative analysis of diffusion-weighted magnetic resonance imaging in malignant breast lesions using different b value combinations
Eur Radiol, 23 (4), 1027-33
DOI 10.1007/s00330-012-2687-8, PubMed 23111816
Publications 2010
SNR-optimized myocardial perfusion imaging using parallel acquisition for effective density-weighted saturation recovery imaging
Magn Reson Imaging, 28 (3), 341-50
DOI 10.1016/j.mri.2009.11.007, PubMed 20096527
Diffusion-weighted magnetic resonance imaging for pretreatment prediction and monitoring of treatment response of patients with locally advanced breast cancer undergoing neoadjuvant chemotherapy
Acta Oncol, 49 (3), 354-60
DOI 10.3109/02841861003610184, PubMed 20397769
Publications 2008
A simulation of MRI based dose calculations on the basis of radiotherapy planning CT images
Acta Oncol, 47 (7), 1294-302
DOI 10.1080/02841860802256426, PubMed 18663645
Publications 2007
Parallel acquisition for effective density weighted imaging: PLANED imaging
MAGMA, 20 (1), 19-25
DOI 10.1007/s10334-006-0065-8, PubMed 17237943
Publications 2005
Polyphosphate composite: conductivity and NMR studies
Solid State Ionics, 176, 955-963
DOI 10.1016/j.ssi.2004.12.004, PublikaID 185
Functional and metabolic recovery of the right ventricle during Bosentan therapy in idiopathic pulmonary arterial hypertension
J Cardiovasc Magn Reson, 7 (5), 853-4
DOI 10.1080/10976640500295540, PubMed 16353449
Publications 2004
Boundary effects of molecular diffusion in nanoporous materials: a pulsed field gradient nuclear magnetic resonance study
J Chem Phys, 120 (1), 367-73
DOI 10.1063/1.1629276, PubMed 15267297
Publications 2003
Gas diffusion in zeolite beds: PFG NMR evidence for different tortuosity factors in the Knudsen and bulk regimes
Eur Phys J E, 12, 35-38
DOI 10.1140/epjed/e2003-01-009-1, PublikaID 183
Publications 2002
PFG NMR observation of an extremely strong dependence of the ammonia self-diffusivity on its loading in H-ZSM-5
Journal of Catalysis, 213 (2), 321-323
DOI 10.1016/S0021-9517(02)00018-0, PublikaID 184
Pulsed field gradient nuclear magnetic resonance study of long–range diffusion in beds of NaX zeolite: Evidence for different apparent tortuosity factors in the Knudsen and bulk regimes
The Journal of Chemical Physics, 117 (5), 1935-1938
DOI 10.1063/1.1496479, PublikaID 182
Cation diffusion in cartilage measured by pulsed field gradient NMR
Eur Biophys J, 31 (1), 73-80
DOI 10.1007/s002490100184, PubMed 12046899
Publications 2001
Interference Microscopy Investigation of the Influence of Regular Intergrowth Effects in MFI-Type Zeolites on Molecular Uptake
The Journal of Physical Chemistry B, 105, 10217-10222
DOI 10.1021/jp010777u, PublikaID 181
NMR studies of water diffusion and relaxation in hydrating slag-based construction materials
Magn Reson Imaging, 19 (3-4), 547-8
DOI 10.1016/s0730-725x(01)00301-0, PubMed 11445353
Nuclear magnetic resonance study of diffusion and relaxation in hydrating white cement pastes of different water content
JOURNAL OF APPLIED PHYSICS, 89 (12), 8061-8065
DOI 10.1063/1.1375020, PublikaID 179
PFG NMR Study of Diffusion in MFI-Type Zeolites: Evidence of the Existence of the Existence of Intracrystalline Transport Barriers
The Journal of Physical Chemistry B, 105 (25), 5922-5927
DOI 10.1021/jp003899f, PublikaID 180
Determination of genuine diffusivities in heterogeneous media using stimulated echo pulsed field gradient NMR
J Magn Reson, 149 (2), 228-33
DOI 10.1006/jmre.2001.2296, PubMed 11318621
Application of interference microscopy and monte carlo simulations for comparative studies of intracrystalline diffusion in zeolites
FUNDAMENTALS OF ADSORPTION, 7, 53-60
PublikaID 186
Publications 2000
Blastfurnace slag cements: A construction material with very unusual nuclear spin relaxation behavior during hardening
Journal of Applied Physics , 88 (7), 4269-4273
DOI 10.1063/1.1288506 , PublikaID 178