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Abstract #1272

Three-dimensional morphological features for detection of degeneration in the PCL from magnetic resonance images at 3T: a feasibility study

Katharine J Wilson 1 , Jurgen Fripp 2 , Kaikai Shen 2 , Rachel K Surowiec 1 , and Charles P Ho 1

1 Steadman Philippon Research Institute, Vail, CO, United States, 2 CSIRO Computational Informatics, The Australian eHealth Research Centre, Queensland, Australia

Chronic posterior cruciate ligament (PCL) injuries are often affected by degeneration with symptoms including thickening and elongation of the ligament. Conventional diagnosis with MRI has proven variable therefore the ability to quantify the shape of the ligament may prove valuable. The purpose of the study was to characterize the normal shape variations in an asymptomatic population of PCLs using statistical shape models (SSM) derived from MRI. We observed a significant difference in absolute volumes between age and gender groups and present the anatomical variability in a cohort of 27 asymptomatic PCLs analyzed using SSM.

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