ISMRM24 - Absolute Beginner's Guide to Fat-Water Separation

Absolute Beginner's Guide to Fat-Water Separation

Sunrise Course

ORGANIZERS: Sune Jespersen, Sila Kurugol, Shaihan Malik, Henrik Odéen, Yasuhiko Tachibana, Cristian Tejos, Richard Thompson

Tuesday, 07 May 2024

Nicoll 2

07:00 - 08:00

Moderators: Houchun Hu & Julia Velikina

Skill Level: Basic

Session Number: S-T-03

CME and CE Credit

Session Number: S-T-03

Overview
This course will over 4 mornings give Absolute beginner’s guides to 4 commonly encountered topics of interest for a broad audience; 1) Diffusion imaging, 2) Fat-water separation, 3) fMRI, and 4) Susceptibility imaging. Both technical considerations and clinical applications will be discussed for each subject.

Target Audience
This course is designed for scientists and clinicians who are interested in starting clinical and research projects in any of the covered topics and would like to quickly get caught up on the basics.

Educational Objectives
As a result of attending this course, participants should be able to:
- Explain the acquisition and processing methods applicable for the covered topics;
- Discuss the pros and cons of each method;
- Identify different areas of applications for each method;
- Summarize the challenges of qualitative MRI in MSK imaging;
- Summarize the strengths and weaknesses of quantitative MRI in MSK imaging; and
- Explain the QIBA MSK initiative.

07:00		Fat-Water Separation: Fundamentals View Presentation Video Dimitrios Karampinos Keywords: Contrast mechanisms: Fat The present educational presentation will first briefly motivate the use of fat-water separation. We will then review the chemical shift encoding principles and introduce the most important fat-water signal models. Algorithms to solve the fat-water separation problem will be then reviewed. Acquisition and reconstruction strategies for chemical shift encoding-based water-fat separation will be then described. As future perspectives, recent works using single-point Dixon and separating multiple chemical species will be briefly discussed.
07:30		Fat-Water Separation: Clinical Applications View Presentation Video Peter Börnert Keywords: Contrast mechanisms: Fat, Body: Body Water and fat are the dominating molecules in the human body. Water is involved in many structural and functional processes, as well as in pathology, and is key in many diagnostic MR contrasts. Fat has many other roles and is often seen as a confounding factor in MRI. Dixon-based water fat separation allows for robust and efficient fat suppression giving also access to fat including its quantitative assessment and biomarker use. Many clinical applications benefit, like liver, cardiac, MSK and whole-body imaging, but Dixon could also support angiography without contrast. The lecture will present selected clinical use cases for illustration.