Keywords: Bone, Bone, ZTE long-T2 subspace
Motivation: Recent work has shown that achieving CT-like contrast highlighting bone can be obtained either indirectly through contrast inversion or directly through long-T2 suppression. While direct methods offer advantages, existing techniques are inefficient, resulting in long scan times.
Goal(s): To create an efficient long-T2 suppressed bone imaging MR scan.
Approach: We combined inversion recovery long-T2 suppression in a Zero Echo-Time sequence with subspace reconstruction to allow continuous data collection during the scan, eliminating dead time and improving efficiency.
Results: A two minute silent scan that produces bright bone and suppressed soft tissues
Impact: We have created a fast positive contrast bone MRI scan that has potential as an alternative to CT
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