Using simultaneous acquisition of spatial harmonics (SMASH) T2-weighted imaging for knee MRI results in a significant decrease in imaging time, as compared to conventional fat-saturated T2-weighted imaging, without any negative effects on MRI interpretation or patient clinical outcome, says a new study by researchers from the Neuroskeletal Imaging Institute in Melbourne, FL.
According to the study, SMASH imaging, which acquires many pictures at the same time as opposed to traditional imaging techniques that acquire one image at a time, is commonly used in cardiac imaging and other applications where high-resolution fast imaging is needed, but it had not yet been used for musculoskeletal imaging.
For this particular study, the researchers examined MR images of the knee in 50 patients using both SMASH T2-weighted imaging and fat-saturated T2-weighted imaging, a technique that allows better detection of bone marrow abnormalities. They found that using SMASH imaging decreased examination time by more than eight minutes on each knee examination.
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