PETMR Advantages and Challenges M Mehdi Khalighi GE

PET/MR Advantages and Challenges M. Mehdi Khalighi GE Healthcare

Outline • 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

MRI Review: Spin Precession

MRI Review: Spin Precession / Alignment

MRI Review: Spin Alignment

MRI Review: Net Magnetization

MRI Review: Resonance (Excitation)

MRI Review: Resonance (Excitation)

MRI Review: Free Induction Decay (FID)

MRI Review: Relaxation

MRI Review: Gradient Concept Paul Lauterbur 1929 -2007 Peter Mansfield 1933 -

MRI Review: Gradient Concept

MRI Review: 2 D Imaging

MRI Review: Image Reconstruction

Winding Magnet

Locking the Winding in Epoxy

MRI Hardware Overview

PET Review: Annihilation

PET Review: Detector

PET Review: Detector

PET Review: Detector Ring

PET Review: Photon Interactions in Matter Photoelectric Effect Compton Scatter

PET Review: Positron Range

PET Review: Non-Colinearity

PET Review: Coincidence Event Types

Why PET/MR? Courtesy of Dr. Craig Levin (Stanford Univ. )

PET/MR Advantages From Dr. Alexander Guimaraes (MGH)

PET/MR Advantages From Dr. Alexander Guimaraes (MGH)

PET/MR Advantages

PET/MR Advantages Slide from: Dominique Delbeke, Vanderbilt University Medical Center

System Overview

System Overview

PET Detector PMT-based Module AA battery (size comparison) Si. PM Module

PET Tube

Thank You.