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

T1 mapping from spin echo and stimulated echoes

F Franconi1, F Seguin, C B Sonier

  • 1Laboratoire de Biophysique Cellulaire et RMN, Faculté de Médecine, Tours, France.

Medical Physics
|November 1, 1995
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

Retrospective evaluation of regional telemedicine team meetings for multiple sclerosis (MS) patients: Experience from the Caen MS expert center in Normandy, France.

Revue neurologique·2020
Same author

A laser emitting contact lens for eye tracking.

Scientific reports·2020
Same author

A low cost, handheld E-nose for renal diseases early diagnosis.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2018
Same author

Sensitivity of chemical vapor deposition diamonds to DD and DT neutrons at OMEGA and the National Ignition Facility.

The Review of scientific instruments·2016
Same author

Mitochondria can orchestrate sex differences in cell fate of vascular smooth muscle cells from rats.

Biology of sex differences·2015
Same author

In vitro expansion of U87-MG human glioblastoma cells under hypoxic conditions affects glucose metabolism and subsequent in vivo growth.

Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine·2015
Same journal

Correction to "On the shape of the radiation survival curve in tumor spheroids: The role of oxygen heterogeneity".

Medical physics·2026
Same journal

Multi-view constrained semi-supervised vertebra detection for 3D ultrasound spine volume.

Medical physics·2026
Same journal

Accuracy of quantitative <sup>177</sup>Lu SPECT/CT imaging: A systematic review.

Medical physics·2026
Same journal

Physics-constrained dual-domain network for CBCT reconstruction from orthogonal X-rays in gynecologic radiotherapy.

Medical physics·2026
Same journal

Decomposition-based harmonization for quantitative PET imaging across scanners and radiotracers.

Medical physics·2026
Same journal

Development and evaluation of an in vivo dose-based monitoring system for electron FLASH radiation therapy.

Medical physics·2026
See all related articles

This study introduces a new MRI method for creating spin-lattice relaxation time (T1) maps. This technique provides accurate and precise T1 values, enabling fast in vivo brain imaging without artifacts.

Area of Science:

  • Magnetic Resonance Imaging (MRI)
  • Medical Physics
  • Biomedical Engineering

Background:

  • Spin-lattice relaxation time (T1) is a crucial parameter in Magnetic Resonance Imaging (MRI) for tissue characterization.
  • Accurate and efficient T1 mapping is essential for various clinical applications, including disease diagnosis and treatment monitoring.
  • Conventional T1 mapping methods can be time-consuming or prone to artifacts, necessitating the development of improved techniques.

Purpose of the Study:

  • To present a novel MRI imaging method for generating spin-lattice relaxation time (T1) maps.
  • To achieve T1 mapping with the same spatial resolution and acquisition time as standard spin-echo sequences.
  • To evaluate the accuracy and precision of the proposed method in phantoms and in vivo.

Main Methods:

Related Experiment Videos

  • The proposed sequence simultaneously acquires a spin echo and multiple stimulated echoes.
  • T1 weighting is achieved by varying the interval between the excitation pulse and the readout pulse.
  • The method was validated using phantoms and compared against the inversion-recovery method and a TOMROP sequence.

Main Results:

  • T1 values obtained from phantoms demonstrated high accuracy (2%) and precision (5%) when compared to the inversion-recovery method.
  • In vivo T1 mapping of the brain was successfully performed in 12 minutes.
  • The method produced T1 images free from susceptibility artifacts and showed comparable results to the TOMROP sequence.

Conclusions:

  • The developed MRI method enables rapid and accurate in vivo T1 mapping.
  • This technique offers a valuable tool for quantitative MRI, potentially improving diagnostic capabilities.
  • The simultaneous acquisition of spin and stimulated echoes provides an efficient approach for T1 quantification without common artifacts.