Glenn Erski MD, Presenter: Nothing to Disclose

Ryan Braun MD, Abstract Co-Author: Nothing to Disclose

Atabak Allaei MD, Abstract Co-Author: Nothing to Disclose

Srinivas Kolla MD, Abstract Co-Author: Nothing to Disclose

Scott Alan Lehto MD, Abstract Co-Author: Nothing to Disclose

We will review aspects of MRI physics crucial to obtaining optimized images. We will focus on aspects of MRI physics pertinent to image acquisition having modifiable parameters. We will provide a review of available MRI hardware and suitable applications. We will finish with a discussion of commonly used musculoskeletal (MSK) sequences and provide suggested protocols. In doing so we hope to solidify & reinforce viewer understanding of: 1. Current MRI hardware and suitable applications 2. Modifiable MRI parameters & their bearing on image quality with an emphasis on tradeoffs 3. Causes for common artifacts and solutions to minimize these artifacts. 4. How to minimize common artifacts or use them to your advantage 5. MSK MRI protocols for the common indications.  

1. MRI Hardware     a. Field strength     b. Magnet types     c. surface coils 2. MRI Parameters    a. phase and frequency encoding directions    b. Determinants of voxel size    c. Slice gaps, crosstalk artifact, receiver bandwidth, etc. 3.Musculoskeletal sequences    a. Advantages of commonly used MSK sequences    b. Uses of intravenous and Intra-articular contrast    c. Optimization of MR parameters for metal hardware    d. Review of common MR contraindications 4. Suggested Protocols    a. Joints    b. Infection    c. Tumor    d. Spine  

http://abstract.rsna.org/uploads/2014/14009730/14009730_ykwn.pdf

Erski, G, Braun, R, Allaei, A, Kolla, S, Lehto, S, A Practical Approach MRI Physics—Musculoskeletal MRI Protocols.  Radiological Society of North America 2014 Scientific Assembly and Annual Meeting, - ,Chicago IL. http://archive.rsna.org/2014/14009730.html