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Purpose
In ultrashort echo time (UTE) imaging, fat suppression can improve short T2* contrast but can also reduce short T2* signals. The conventional two‐point Dixon (2p‐Dixon) method does not perform well due to short T2* decay. In this study, we propose a new method to suppress fat for high contrast UTE imaging of short T2 tissues, utilizing a single‐point Dixon (1p‐Dixon) method.
Methods
The...
Ultrashort TE (UTE) sequences have the capability to image tissues with very short T2s that typically appear as low signal in clinical sequences. UTE sequences can also be used in multi-echo acquisitions which allow assessment of the T2s of these tissues. Here we study the accuracy of such T2 measurements when combined with fat saturation (FS).
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