Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Line-scan diffusion tensor MR imaging at 0.2 T: feasibility study.

Masaaki Hori1, Shigeki Aoki, Toshiyuki Okubo

  • 1Department of Radiology, University of Yamanashi, Yamanashi, Japan. masahori-tky@umin.ac.jp

Journal of Magnetic Resonance Imaging : JMRI
|November 5, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

An immune-associated mitochondrial DNA variant with sex differences reveals a putative novel microprotein called MASL.

Immunity & ageing : I & A·2026
Same author

Prognostic Significance of Nutritional and Inflammatory Factors in Gastric Cancer Surgery.

Digestive surgery·2026
Same author

Generalizable spinal cord multiple sclerosis lesion segmentation across MRI contrasts, protocols, and centers.

Multiple sclerosis (Houndmills, Basingstoke, England)·2026
Same author

Comparative Evaluation of 3D-QALAS Myelin Volume Fraction, Inhomogeneous Magnetization Transfer, and Myelin Water Fraction.

AJNR. American journal of neuroradiology·2026
Same author

Editorial for "Associations Between Excessive Daytime Sleepiness, Cognitive Impairment, and Brain Alterations in Patients With Obstructive Sleep Apnea".

Journal of magnetic resonance imaging : JMRI·2026
Same author

[Short-Term Outcomes of Laparoscopic Surgery for Colorectal Cancer in Super-Elderly Patients Aged 90 and Over at Our Institution Pancreatic Body Cancer].

Gan to kagaku ryoho. Cancer & chemotherapy·2026
Same journal

Editorial for "Association Between HIV Infection Duration and Left Ventricular Concentric Remodeling and Myocardial Fibrosis: A Cross-Sectional Study Using Cardiac MRI".

Journal of magnetic resonance imaging : JMRI·2026
Same journal

Editorial for "Effect of Visualized Respiratory Training on Patient Cooperation and Image Quality in Gadoxetic Acid Disodium-Enhanced Liver MRI: A Randomized Controlled Trial".

Journal of magnetic resonance imaging : JMRI·2026
Same journal

Editorial for "Association of Iron and Myelin Alterations in the Contralesional Dentate Nucleus and Thalamus With Functional Outcome in Acute Ischemic Stroke: A Susceptibility Source Separation Study".

Journal of magnetic resonance imaging : JMRI·2026
Same journal

Editorial for "Association Between Deep Gray Matter Iron Deposition Dysregulation and Cognitive Performance in Type 2 Diabetes Mellitus Patients: A Quantitative Susceptibility Mapping Study".

Journal of magnetic resonance imaging : JMRI·2026
Same journal

Association Between Deep Gray Matter Iron Deposition Dysregulation and Cognitive Performance in Type 2 Diabetes Mellitus Patients: A Quantitative Susceptibility Mapping Study.

Journal of magnetic resonance imaging : JMRI·2026
Same journal

Association of Iron and Myelin Alterations in the Contralesional Dentate Nucleus and Thalamus With Functional Outcome in Acute Ischemic Stroke: A Susceptibility Source Separation Study.

Journal of magnetic resonance imaging : JMRI·2026
See all related articles

Diffusion tensor imaging (DTI) at low magnetic field strength (0.2 Tesla) provides feasible measurements of apparent diffusion coefficient (ADC) and fractional anisotropy (FA) for brain white matter analysis.

Area of Science:

  • Neuroimaging
  • Medical Physics
  • Radiology

Background:

  • Diffusion-tensor imaging (DTI) is crucial for characterizing white matter microstructure.
  • Low-field MRI systems offer potential advantages in accessibility and cost.
  • Assessing the feasibility of DTI at low field strengths is important for wider clinical application.

Purpose of the Study:

  • To measure apparent diffusion coefficient (ADC) and fractional anisotropy (FA) values in the human brain using line-scan diffusion-weighted imaging (DWI) on a 0.2 Tesla MRI scanner.
  • To evaluate the quality of DTI data and the clarity of white matter tract reconstruction at low field strength.

Main Methods:

  • DTI was performed on eight healthy volunteers using a 0.2 T MR imager.
  • Signal-to-noise ratios (SNRs) of white matter and cerebrospinal fluid were measured.

Related Experiment Videos

  • Apparent diffusion coefficient (ADC) and fractional anisotropy (FA) values were calculated, and 3D corticospinal fiber tracts were reconstructed.

    • Main Results:

    • DTI acquisition at 0.2 T yielded appropriate ADC and FA values comparable to high-field studies.
    • Corticospinal fiber tracts were visualized more clearly at 0.2 T compared to 1.5 T.
    • The total scan time for whole-brain coverage (18 slices) was 52 minutes 30 seconds.

    Conclusions:

    • Diffusion tensor imaging (DTI) at low field strength (0.2 T) is feasible for clinical applications.
    • Low-field DTI can effectively estimate brain white matter properties, even with limited coverage.
    • This technique may offer a cost-effective alternative for specific clinical neuroimaging needs.