scholarly journals Non-Contrast Time-resolved Magnetic Resonance Angiography Combining High Resolution Multiple Phase Echo Planar Imaging Based Signal Targeting and Alternating Radiofrequency Contrast Inherent Inflow Enhanced Multi Phase Angiography Combining Spatial Resolution Echo Planar Imaging Based Signal Targeting and Alternating Radiofrequency in Intracranial Arteries

2012 ◽  
Vol 68 (11) ◽  
pp. 1525-1532 ◽  
Author(s):  
Masanobu Nakamura ◽  
Masami Yoneyama ◽  
Takashi Tabuchi ◽  
Atsushi Takemura ◽  
Makoto Obara ◽  
...  
Keyword(s):  
Magnetic Resonance ◽  
High Resolution ◽  
Magnetic Resonance Angiography ◽  
Echo Planar Imaging ◽  
Planar Imaging ◽  
Time Resolved ◽  
Multiple Phase ◽  
Intracranial Arteries ◽  
Multi Phase ◽  
Echo Planar

Post mortem high resolution diffusion MRI for large specimen imaging at 11.7 T with 3D segmented echo-planar imaging

2019 ◽  
Vol 311 ◽  
pp. 222-234
Author(s):  
Sophie Bernadette Sébille ◽  
Anne-Sophie Rolland ◽  
Marie-Laure Welter ◽  
Eric Bardinet ◽  
Mathieu David Santin
Keyword(s):  
High Resolution ◽  
Diffusion Mri ◽  
Echo Planar Imaging ◽  
Post Mortem ◽  
Planar Imaging ◽  
Large Specimen ◽  
Echo Planar

scholarly journals Magnetic Resonance Fingerprinting with Combined Gradient- and Spin-echo Echo-planar Imaging: Simultaneous Estimation of T1, T2 and T2* with integrated-B1 Correction

2019 ◽  
Author(s):  
Mahdi Khajehim ◽  
Thomas Christen ◽  
J. Jean Chen
Keyword(s):  
Magnetic Resonance ◽  
Spin Echo ◽  
Echo Planar Imaging ◽  
Simultaneous Estimation ◽  
Single Shot ◽  
Planar Imaging ◽  
Reconstruction Process ◽  
Data Segment ◽  
T1 And T2 ◽  
Echo Planar

AbstractPurposeTo introduce a novel magnetic-resonance fingerprinting (MRF) framework with single-shot echo-planar imaging (EPI) readout to simultaneously estimate tissue T2, T1 and T2*, and integrate B1 correction.MethodsSpin-echo EPI is combined with gradient-echo EPI to achieve T2 estimation as well as T1 and T2* quantification. In the dictionary matching step, the GE-EPI data segment provides estimates of tissue T1 and T2* with additional B1 information, which are then incorporated into the T2-matching step that uses the SE-EPI data segment. In this way, biases in T2 and T2* estimates do not affect each other.ResultsAn excellent correspondence was found between our T1, T2, and T2* estimates and results obtained from standard approaches in both phantom and human scans. In the phantom scan, a linear relationship with R2>0.96 was found for all parameter estimates. The maximum error in the T2 estimate was found to be below 6%. In the in-vivo scan, similar contrast was noted between MRF and standard approaches, and values found in a small region of interest (ROI) located in the grey matter (GM) were in line with previous measurements (T2MRF=88±7ms vs T2Ref=89±11ms, T1MRF=1153±154ms vs T1Ref=1122±52ms, T2*MRF=56±4ms vs T2*Ref=53±3ms).ConclusionAdding a spin echo data segment to EPI based MRF allows accurate and robust measurements of T2, T1 and T2* relaxation times. This MRF framework is easier to implement than spiral-based MRF. It doesn’t suffer from undersampling artifacts and seems to require a smaller dictionary size that can fasten the reconstruction process.

High-resolution diffusion imaging using phase-corrected segmented echo-planar imaging

2000 ◽  
Vol 18 (6) ◽  
pp. 649-657 ◽  
Author(s):  
Sara Brockstedt ◽  
James R Moore ◽  
Carsten Thomsen ◽  
Stig Holtås ◽  
Freddy Ståhlberg
Keyword(s):  
High Resolution ◽  
Diffusion Imaging ◽  
Echo Planar Imaging ◽  
Planar Imaging ◽  
Echo Planar

High-resolution echo-planar imaging of the brain: is it suitable for routine clinical imaging?

1997 ◽  
Vol 39 (12) ◽  
pp. 833-840 ◽  
Author(s):  
C. Ozdoba ◽  
L. Remonda ◽  
O. Heid ◽  
K.-O. L�vblad ◽  
G. Schroth
Keyword(s):  
High Resolution ◽  
Echo Planar Imaging ◽  
Planar Imaging ◽  
Clinical Imaging ◽  
Routine Clinical Imaging ◽  
Echo Planar ◽  
The Brain

High-resolution diffusion tensor imaging using interleaved echo-planar imaging

2000 ◽  
Author(s):  
Roland Bammer ◽  
Manfred J. Augustin ◽  
Thomas Seifert ◽  
S. Strasser-Fuchs ◽  
Rudolf Stollberger ◽  
...  
Keyword(s):  
Diffusion Tensor Imaging ◽  
High Resolution ◽  
Diffusion Tensor ◽  
Echo Planar Imaging ◽  
Planar Imaging ◽  
Echo Planar

Magnetic resonance fingerprinting using echo-planar imaging: Joint quantification of T1 and T2∗ relaxation times

2016 ◽  
Vol 78 (5) ◽  
pp. 1724-1733 ◽  
Author(s):  
Benedikt Rieger ◽  
Fabian Zimmer ◽  
Jascha Zapp ◽  
Sebastian Weingärtner ◽  
Lothar R. Schad
Keyword(s):  
Magnetic Resonance ◽  
Relaxation Times ◽  
Echo Planar Imaging ◽  
Planar Imaging ◽  
T2 Relaxation ◽  
T1 And T2 ◽  
Echo Planar
Sign in / Sign up

Export Citation Format

Share Document