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Abstract #0656

New insights into the predilection sites of Juvenile Osteochondritis Dissecans using Quantitative Susceptibility Mapping

Jutta Ellermann1, Casey P Johnson2, Luning Wang3, Ferenc Toth4, Kevin Shea5, Cathy Carlson6, and Mikko J Nissi7,8

1Radiology, University of Minnesota, Minneapolis, MN, United States, 2Radiology, CMRR, University of Minnesota, 3University of Minnesota, 4College of Veterinary Medicine, University of Minnesota, 5St. Lukes Orthopaedics, Boise, ID, 6College of Veterinary Medicine, University of Minnesota, St. Paul, MN, 7Department of Applied Physics, University of Eastern Finland, 8Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland

The unique utilization of tissue-inherent MRI contrast using QSM for depicting the intraepiphyseal vascular supply provides high resolution and accuracy without using exogenous contrast making it a noninvasive tool for future in vivo studies. A better understanding of the development of the epiphyseal cartilage vascularity during skeletal maturation may shed light on the etiology of many developmental diseases, such as Juvenile Osteochondritis Dissecans that are precursors to osteoarthritis.

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