Abstract #1370

Correlation time mapping is associated with permeability of articular cartilage

Mikko T. Nissinen^1,2, Nina Hänninen³, Petri Tanska¹, Olli Nykänen¹, Mithilesh Prakash¹, Matti Hanni^2,3,4, Juha Töyräs^1,5, Rami K. Korhonen¹, Mikko J. Nissi¹, and Miika T. Nieminen^2,3,4

¹Applied Physics, University of Eastern Finland, Kuopio, Finland, ²Medical Research Center, University of Oulu and Oulu University Hospital, Oulu, Finland, ³Research Unit of Medical Imaging, University of Oulu, Oulu, Finland, ⁴Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland, ⁵Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland

Correlation time τ_c is a parameter that describes the relaxation properties of soft tissues. In this study, articular cartilage from human cadaver patellae was studied using MR imaging and biomechanical testing and modeling. The statistical analysis revealed an association between the permeability, as revealed by mechanical modeling, and the correlation time measured for articular cartilage.

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