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Abstract #3317

Multiparametric MRI Assessment of Cadaver Achilles Tendon at 7T

Vladimir Juras1, 2, Sebastian Apprich1, Christina Pressl1, Stefan Zbyn1, Pavol Szomolanyi1, Stephan Domayer3, Ivan Frollo2, Siegfried Trattnig1

1Department of Radiology, MR Centre of Excellence, Medical University of Vienna, Vienna, Austria, Austria; 2Department of Imaging Methods, Institute of Measurement Science, Bratislava, Slovakia; 3Department of Orthopedics, Medical University of Vienna, Vienna, Austria, Austria

In this study, multi-parametric MRI was used to image cadaver ATs. Sodium MRI, T2 mapping, fast imaging with steady state precession (FISP), and reversed FISP (PSIF) have been used for tendon assessment. The correlation between immunohistologically assessed GAG and water content was high in some cases, especially with sodium SNR. I was shown that the biochemical content of the AT can be evaluated by quantitative MRI.

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Keywords

accumulation acquisition altered analogue anatomy ankles apparent articular assessed assessment balanced biochemical biochemically bone bulk cadaver calcium calculation cartilage channel characteristics clinical coefficient coil collagen collected component content correlation correlations deposits deviation diagnose diffusion dimensional disruption divided electrodynamics especially evaluated examinations examine examined excellence extracellular fast feasibility females fiber fibers field five free fresh gags goal gradient gradients highest individual influenced insertion institute investigate joint journal junction knee limitations lipids local males manifestation mapping maps marker markers materials matrix measure median medical milligram morphological muscle noise operating optimized organization orientations orthopedics parametric partially portion potential precession problematic pulse quality quantitatively radiology receive reconstructed regard relatively repetition reported revealed reversed sample samples scanner science seems sensitizing setup shortest sodium spin statistical steady strength studies successful surgery tailed tendon tendons tissue transmit useful validated validation vitro water years