Knee MRI is performed commonly in the US for assessing acute injuries as well as degenerative diseases. However, current knee MRI protocols can require 25-30 minutes or more and cost approximately $1.1billion/year. In such instances, a short knee protocol could lower costs while increasing patient throughput, comfort, and access to care. In this study, we show that a five-minute double-echo steady-state (DESS) scan, with automatic T2 maps and fluid-nulled images, offers high efficacy and diagnostic utility compared to the standard knee protocol. These results suggest that a five-minute DESS scan could be used for comprehensive MRI of the knee.
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