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Abstract #1393

Comparison of Radial and Spiral UTE MRI and T2* quantification of the Knee Joint

Jeehun Kim1, Richard Lartey1, Kecheng Liu2, Tiejun Zhao2, Thomas Benkert3, Heiko Meyer3, and Xiaojuan Li1

1Program of Advanced Musculoskeletal Imaging (PAMI), Cleveland Clinic, Cleveland, OH, United States, 2Siemens Medical Solution Inc, Malvern, PA, United States, 3Siemens Healthcare GmbH, Erlangen, Germany

The ultrashort TE (UTE) sequences allow measurement of fast-decaying signal from short T2* tissues in the joint such as tendon, ligament, and meniscus. By acquiring multiple echoes along the decay, T2* map can be generated, which has a potential to be used as a biomarker for diseases such as arthritis and tendinopathy. However, the comparison of T2* maps from different UTE sequences has not been fully explored. In this study, UTE based on stack of spirals and 3D radial acquisition were compared.

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