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Abstract #3655

In-vivo phase imaging of growing epiphyseal human cartilage at 7 T.

Barbara Dymerska1, Klaus Bohndorf1, Paul Schennach1, Alexander Rauscher2, Siegfried Trattnig1, and Simon Daniel Robinson1

1High Field MR Centre, Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria, 2UBC MRI Research Centre, University of British Columbia, Vancouver, Canada

Growing epiphyseal cartilage of children contains vessels and more complex layer structure than adult hyaline cartilage. Phase imaging is sensitive to deoxyhemoglobin in venous blood and to orientation of magnetic tissues, but it is challenging since many established methods for combining and unwrapping data fail in the thin cartilage of the knee. In this study different phase reconstruction methods were tested at 7T and high resolution SWI was applied to visualize veins and collagen fiber architecture in healthy young subjects.

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