Abstract #0150
Hip T1rho and T2 relaxation times in individuals with and without cartilage lesions
Cory Wyatt 1 , Deepak Kumar 1 , Karupppasamy Subburaj 2 , Divya Narayanan 3 , Sonia Lee 1 , Lorenzo Nardo 1 , Thomas Link 1 , Thomas Vail 4 , Richard Souza 1 , and Sharmila Majumdar 1
1
Radiology and Biomedical Imaging, University
of California San Francisco, San Francisco, CALIFORNIA,
United States,
2
Radiology
and Biomedical Imaging, University of California San
Francisco, San Francisco, California, United States,
3
Bioengineering,
University of California Berkeley, Berkeley, California,
United States,
4
Orthopaedic
Surgery, University of California San Francisco, San
Francisco, CALIFORNIA, United States
The purpose of this study was to measure T1rho and T2
relaxation times in vivo in healthy controls, subjects
with mild OA, and subjects with femoroacetabular
impingement (FAI). The volunteers were scanned with a
segmented 3D SPGR MAPSS T1rho/T2 sequence on one hip and
the cartilage was clinically scored for lesions. The
femoral and acetabular cartilage were segmented
separately and then segmented into 8 equal regions.
Significant increases in the T1rho and T2 relaxation
times were seen in the acetabular cartilage while no
significant changes were seen in the femoral cartilage.
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