New answers tagged mri
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It's indeed the same "big magnet" machine as for normal MRI, but in WB-MRI (ideally) multiple coils are placed on the patient's body, e.g.:
The process does indeed last 30-60 minutes (as Carey noted) as multiple scans passes are made. (More technical details in the article linked.)
There's a bit of history and/or variation in WB-MRI techniques
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