Abstract #1394

High-resolution ultra-short echo-time (UTE) ex-vivo imaging of Achilles tendons at 9.4T by water content alteration

Martin Krämer¹, Karl-Heinz Herrmann¹, Nicholas M Brisson², Stefan Zachow³, Georg N Duda², and Jürgen R Reichenbach^1,4,5,6

¹Medical Physics Group, Institute of Diagnostic and Interventional Radiology, Jena University Hospital - Friedrich Schiller University Jena, Jena, Germany, ²Julius Wolff Institute and Center for Musculoskeletal Surgery, Charité – Universitätsmedizin Berlin, Berlin, Germany, ³Zuse Institute Berlin, Berlin, Germany, ⁴Michael Stifel Center for Data-driven and Simulation Science Jena, Friedrich Schiller University Jena, Jena, Germany, ⁵Abbe School of Photonics, Friedrich Schiller University Jena, Jena, Germany, ⁶Center of Medical Optics and Photonics, Friedrich Schiller University Jena, Jena, Germany

To enable high-resolution imaging of ex-vivo ovine and porcine Achilles tendons, samples were extracted and stored in distilled water for up to 7 days to induce water intake and prolonged T₂. One sample was measured continuously to quantify the change in T₂ over time, while the other/second sample was used to acquire high-resolution structural images using a cryogenic measurement coil at 9.4T.

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