Abstract #5119

Multi-Echo FLORET UTE MRI

Matthew Willmering¹, Guruprasad Krishnamoorthy^2,3, Joseph Plummer^1,4, Abdullah Bdaiwi¹, Laura Walkup^1,4,5, Zackary Cleveland^1,4,5, James Pipe³, and Jason Woods^1,4,5

¹Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States, ²Philips Healthcare, Rochester, MN, United States, ³Mayo Clinic, Rochester, MN, United States, ⁴University of Cincinnati, Cincinnati, OH, United States, ⁵University of Cincinnati Medical Center, Cincinnati, OH, United States

Synopsis

Keywords: Data Acquisition, Data Acquisition

FLORET UTE MRI has been used for many applications including lung, brain, musculoskeletal, and multinuclear imaging. The appeal of the pulse sequence comes from its high SNR and sampling efficiencies. With recent improvements minimizing artifacts, high-quality FLORET images are obtained routinely. However, acquisition of multiple echoes has not been investigated. Here, we determined the feasibility and optimal pulse-sequence design of multi-echo FLORET. Collecting echoes independently, but interleaved, produces the highest quality images, especially for ≥3 echoes. Furthermore, additional echoes provide improvements to image quality and add clinically useful contrast like T₂*.

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