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Please consider making a small donation to keep MRIQuestions free for everyone!
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Welcome to the Questions and Answers in MRI Website!
In 1994 I published the first edition of Questions and Answers in Magnetic Resonance Imaging, a collection of notes on MR physics I had distributed to residents and fellows during viewbox teaching over the years. Jonathan Burdette helped me update this material and our second edition appeared in 2001. These books were big hits in the radiology community, and I still take pride how many people tell me they learned most of what they know about MR physics from them.
The concept was radically different from "standard" Q&A books. These were not questions of my own creation, but were questions actually posed to me by trainees over the years. As such, they reflected areas of common confusion that had not been answered satisfactorily by existing books and web sources.
The original paperbacks are long out of print, and so much has changed in the last decade that a simple revision of the original material is not possible. So, I have decided to do a complete overhaul of all my original notes, bringing the material into the 21st Century including multimedia and other web-enabled features. I hope there is something for everyone here.
There is no charge for using this site; it is my gift back to the MRI community that has been so good to me. But please don't reproduce or use any of my original text or images without appropriate credit.
No doubt there are some errors and omissions, and I encourage anyone with suggested changes to email me. I will then try to correct my answers or explain them more completely.
The concept was radically different from "standard" Q&A books. These were not questions of my own creation, but were questions actually posed to me by trainees over the years. As such, they reflected areas of common confusion that had not been answered satisfactorily by existing books and web sources.
The original paperbacks are long out of print, and so much has changed in the last decade that a simple revision of the original material is not possible. So, I have decided to do a complete overhaul of all my original notes, bringing the material into the 21st Century including multimedia and other web-enabled features. I hope there is something for everyone here.
There is no charge for using this site; it is my gift back to the MRI community that has been so good to me. But please don't reproduce or use any of my original text or images without appropriate credit.
No doubt there are some errors and omissions, and I encourage anyone with suggested changes to email me. I will then try to correct my answers or explain them more completely.
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Yours sincerely, 
Allen D. Elster, MD FACR
Mallinckrodt Institute of Radiology Washington University School of Medicine St. Louis, MO Chair Emeritus Wake Forest University School of Medicine Winston-Salem, NC |
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