http://mri.med.cornell.edu magnetic resonance imaging yi wang, phd imaging physics hardware/software...
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![Page 1: Http://mri.med.cornell.edu Magnetic Resonance Imaging Yi Wang, PhD Imaging Physics Hardware/Software Clinical/Biological Application Nguyen, Spincemaille,](https://reader036.vdocuments.mx/reader036/viewer/2022062314/56649f0d5503460f94c20a27/html5/thumbnails/1.jpg)
http://mri.med.cornell.edu
Magnetic Resonance Imaging Yi Wang, PhD
Imaging Physics Hardware/Software
Clinical/Biological Application
Nguyen, Spincemaille, de Rochefort, Brown, Kressler, Codella, Singh, Lee, Wang, Zabih
Prince, Kent, Weinsaft, Cheng, Morrisett, Cham….
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Imaging Physics Study
Spin Dynamics– interaction of body tissue (p)
with magnetic field (B)– B pulses for probing tissue e
pB
kz
ky
kx
Image Formation– spatial encoding (Fourier k)
in signal detection– k-space sampling– pulse sequences for tissue
morphology & function
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Technology Development - hardware
• RF coils: cardiac coil, bilateral peripheral coil
• High performance computing: 34 node cluster
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Technology Development - software
• Fast imaging sequences: time resolved 4D spiral, fgre, ssfp, fse
• Navigator motion suppression: diaphragm navigator, cardiac fat navigator
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Carotid MRA
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Navigator Cardiac MRI
4D Cardiac MRI
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Peripheral MRA
4D MRA
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Functional peripheral MRI - perfusion
1st pass perfusion quantifies ischemia
Delayed enhancement predicts ulcer
Perfusion/DE characterizes wound healing?
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Functional peripheral MRI – vessel wall
TOF T1 T2 PD
Rich tissue contrast to characterize plaque and monitor statin therapy.
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Magnetization/susceptibility MRI
Cunningham et al
MR-SQUID: Magnetic resonance susceptibility quantification using inversion of dipole fields.
In vivo imaging of biochemical reaction?
Quantification of magnetically labeled cellular MRI?
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Thank You!