PET/MR Advantages and Challenges M. Mehdi Khalighi GE
Healthcare
Slide 2
Review Magnetic Resonance Imaging (MRI) Introduction to
Magnetic Resonance and Spectroscopy (Pippa Storey) Review Positron
Emission Tomography (PET) PET: Physics, Instrumentation and
Scanners (Michael Phelps) Why hybrid PET/MR? Challenges of making
hybrid PET/MR Outline
Slide 3
MRI Review: Spin Precession
Slide 4
MRI Review: Spin Precession / Alignment
Slide 5
MRI Review: Spin Alignment
Slide 6
MRI Review: Net Magnetization
Slide 7
MRI Review: Resonance (Excitation)
Slide 8
Slide 9
MRI Review: Free Induction Decay (FID)
Slide 10
MRI Review: Relaxation
Slide 11
MRI Review: Gradient Concept Paul Lauterbur 1929-2007 Peter
Mansfield 1933-
Slide 12
MRI Review: Gradient Concept
Slide 13
MRI Review: 2D Imaging
Slide 14
MRI Review: Image Reconstruction
Slide 15
Winding Magnet
Slide 16
Locking the Winding in Epoxy
Slide 17
MRI Hardware Overview
Slide 18
PET Review: Annihilation
Slide 19
PET Review: Detector
Slide 20
Slide 21
PET Review: Detector Ring
Slide 22
Photoelectric Effect Compton Scatter PET Review: Photon
Interactions in Matter
Slide 23
PET Review: Positron Range
Slide 24
PET Review: Non-Colinearity
Slide 25
PET Review: Coincidence Event Types
Slide 26
Courtesy of Dr. Craig Levin (Stanford Univ.) Why PET/MR?
Slide 27
From Dr. Alexander Guimaraes (MGH) PET/MR Advantages
Slide 28
From Dr. Alexander Guimaraes (MGH) PET/MR Advantages
Slide 29
Slide 30
Slide from: Dominique Delbeke, Vanderbilt University Medical
Center
Slide 31
System Overview
Slide 32
Slide 33
PMT-based Module SiPM Module AA battery (size comparison) PET
Detector