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Abstract #4232

Quantitative MRI of Triangular Fibrocartilage (TFC): Correlation with Biomechanical Properties.

Mohammed Aakef 1 , Tania Kumar 1 , Reni Biswas 1 , Betty Tran 1 , Sheronda Statum 1 , Eric Y Chang 2 , Won C Bae 1 , and Christine B Chung 2,3

1 Radiology, Univeristy of California, San Diego, San Diego, CA, United States, 2 Veterans Affairs San Diego Healthcare System, CA, United States, 3 Radiology, Univeristy of California, San Diego, CA, United States

Triangular Fibrocartilage (TFC) serves important biomechanical function and its injury is a common cause of wrist pain. This study evaluated quantitative MR properties of TFC using two T1rho sequences tailored for long (MAPSS T1rho) and short (UTE T1rho) T2 components, and correlated the values with local indentation modulus of the TFC. While significant negative correlations were found, the strength of correlation was greater for UTE T1rho measurements.

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