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Abstract #1202

Regional Variation in Canine Knee Cartilage T2 Relaxation Times: Assessment of Normative Values

Sarah L. Pownder 1 , Kei Hayashi 2 , Parina H. Shah 1 , Hollis G. Potter 1 , and Matthew F. Koff 1

1 Department of Radiology and Imaging - MRI, Hospital for Special Surgery, New York, New York, United States, 2 College of Veterinary Medicine, Cornell University, Ithaca, New York, United States

The canine species is commonly used as a preclinical model and understanding the normative and compartment dependent T2 values of the canine knee will be beneficial for longitudinal evaluation of osteoarthritis. T2 mapping was performed on the stifles of 7 dogs to evaluate the articular cartilage of the femoral trochlea, patella, femoral condyles, and tibial plateau. Differences of cartilage T2 values were found throughout the stifle joint with the lateral femoral condylar having the longest T2 values compared to the other regions of interest. The results provide a baseline of normative values for researchers in future preclinical studies.

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