An Evaluation Of Geometrical Spoilers In Fast MR imaging

In fast MR sequences, the repetition time TR is usually shorter than T2, leading to the accumulation of steady-state transverse magnetization which in turn causes imaging artifacts or contaminates T1 contrast. This study shovs, through theoretical considerations as well as on images, that to restore T1 contrast and eliminate imaging artifacts, the geometrically incremented spoilers should be preferred, especially in multislice imaging. The results will be presented on brain and abdominal images.