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Abstract #0430

Regional Analysis of Hip Cartilage MR Relaxation Times in Subjects with and Without Femoroacetabular Impingement

Karupppasamy Subburaj1, Alexander Valentinitsch1, Alexander B. Dillon1, Xiaojuan Li1, Thomas M. Link1, Thomas P. Vail2, Sharmila Majumdar1

1Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States; 2Orthopaedic Surgery, University of California San Francisco, San Francisco, CA, United States


Conditions such as femoroacetabular impingement (FAI) characterized by an anatomic deformity at the femoral head-neck junction, is known to affect the pathogenesis of hip osteoarthritis (OA) and have been identified as pertinent causes of premature OA of the hip joint in young and middle-aged patients. Early detection of cartilage degeneration could help identify patients with hip pain who may benefit from early intervention The objective of this study was to perform a sub-regional analysis of cartilage magnetic resonance (MR) relaxation times (T1ρ and T2) measurements in the hip joint for early assessment of cartilage defects in patients with FAI.