Abstract #0154
Longitudinal texture changes to UTE-T2* following ACL reconstruction
Ashley Williams 1 , Yongxian Qian 2 , and Constance R Chu 1
1
Department of Orthopedic Surgery, Stanford
University, Stanford, CA, United States,
2
Radiology,
University of Pittsburgh, Pittsburgh, PA, United States
This study tests the hypothesis that evaluation of the
spatial distribution of cartilage UTE-T2* values,
assessed via grey-level co-occurrence matrix texture
statistics, will better detect sub-surface damage and
disease progression to cartilage in ACL-injured subjects
than mean UTE-T2* alone. Both cross-sectional
comparisons with uninjured controls and longitudinal
evaluations of ACL-injured subjects over 2 years after
ligament reconstruction indicate that texture analyses
provide evidence of progressive cartilage degeneration
following ACL-injury that is not reflected in mean
UTE-T2* value. Texture evaluations in this work
augmented the ability of UTE-T2* mapping to
quantitatively monitor cartilage status in knees at risk
of developing OA.
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