Cited by 442Advanced MRI Techniques and ApplicationsAdvanced Neuroimaging Techniques and ApplicationsNMR spectroscopy and applications

Toward in vivo histology: a comparison of quantitative susceptibility mapping (QSM) with magnitude-, phase-, and R2*-imaging at ultra-high magnetic field strength

Deistung, Andreas, Schäfer, Andreas, Schweser, Ferdinand, Biedermann, Uta, Turner, Robert, Reichenbach, Jürgen R.·2013·NeuroImage

Abstract

Quantitative magnetic susceptibility mapping (QSM) has recently been introduced to provide a novel quantitative and local MRI contrast. However, the anatomical contrast represented by in vivo susceptibility maps has not yet been compared systematically and comprehensively with gradient (recalled) echo (GRE) magnitude, frequency, and R(2)(*) images. Therefore, this study compares high-resolution quantitative susceptibility maps with conventional GRE imaging approaches (magnitude, frequency, R(2)(*)) in healthy individuals at 7 T with respect to anatomic tissue contrast. Volumes-of-interest were analyzed in deep and cortical gray matter (GM) as well as in white matter (WM) on R(2)(*) and susceptibility maps. High-resolution magnetic susceptibility maps of the human brain exhibited superb contrast that allowed the identification of substructures of the thalamus, midbrain and basal ganglia, as well as of the cerebral cortex. These were consistent with histology but not generally visible on magnitude, frequency or R(2)(*)-maps. Common target structures for deep brain stimulation, including substantia nigra pars reticulata, ventral intermediate nucleus, subthalamic nucleus, and the substructure of the internal globus pallidus, were clearly distinguishable from surrounding tissue on magnetic susceptibility maps. The laminar substructure of the cortical GM differed depending on the anatomical region, i.e., a cortical layer with increased magnetic susceptibility, corresponding to the Stria of Gennari, was found in the GM of the primary visual cortex, V1, whereas a layer with reduced magnetic susceptibility was observed in the GM of the temporal cortex. Both magnetic susceptibility and R(2)(*) values differed substantially in cortical GM depending on the anatomic regions. Regression analysis between magnetic susceptibility and R(2)(*) values of WM and GM structures suggested that variations in myelin content cause the overall contrast between gray and white matter on susceptibility maps and that both R(2)(*) and susceptibility values provide linear measures for iron content in GM. In conclusion, quantitative magnetic susceptibility mapping provides a non-invasive and spatially specific contrast that opens the door to the assessment of diseases characterized by variation in iron and/or myelin concentrations. Its ability to reflect anatomy of deep GM structures with superb delineation may be useful for neurosurgical applications.

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Crossref · 10.1016/j.neuroimage.2012.09.055

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Authors
Deistung, A., Schäfer, A., Schweser, F., Biedermann, U., Turner, R., & Reichenbach, J. R.
Affiliations
  • Jena University Hospital (DE)
  • Max Planck Society (DE)
Corresponding author
Deistung, Andreas
Venue
NeuroImage
Publisher
Elsevier BV
Published
2013-01
Volume
65
Pages
299-314
ISSN
1053-8119 (ISSN-L)
OpenAlex
W1981155372
Cited by
442
References
146
Citations by year
2026: 18 · 2025: 21 · 2024: 32 · 2023: 24 · 2022: 34 · 2021: 38 · 2020: 47 · 2019: 29 · 2018: 47 · 2017: 37 · 2016: 36 · 2015: 29 · 2014: 31 · 2013: 19
FWCI
19.08
Type
journal article
Language
en
Open access
closed
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • Universitätsbibliographie, Universität Duisburg-Essen (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
  • German Research Foundation (DFG (RE 1123/9-2)
  • Carl Zeiss Foundation
  • Max-Planck Society
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › NMR spectroscopy and applications
Keywords
quantitative susceptibility mapping, R2* mapping, gradient echo MRI, ultra-high field MRI, 7 T, brain iron content, myelin content, gray matter, white matter, deep brain stimulation targets, substantia nigra pars reticulata, subthalamic nucleus, globus pallidus, thalamus, cerebral cortex, histopathological confirmation, neurosurgical planning
MeSH terms
Brain, Brain Mapping, Humans, Image Interpretation, Computer-Assisted, Magnetic Resonance Imaging

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