Abstract #1222
Multi-component T 2 * mapping in the calf muscle during plantar flexion using a multi-echo radial GRE sequence
Patrick Hiepe 1 , Martin Krmer 1 , Alexander Gussew 1 , and Jrgen R. Reichenbach 1
1
Medical Physics Group, Institute of
Diagnostic and Interventional Radiology I, Jena
University Hospital, Jena, Germany
The aim of the present study was to apply a radial
multi-echo gradient-echo (GRE) sequence during dynamic
exercising for continuous quantitation of the effective
transverse relaxation time constant (T2*) enabled by the
increased robustness of radial trajectories against
motion artefacts. Load-induced T2*-changes were
determined based on mono-exponential and multi-component
signal fitting of data obtained in a human calf during
plantar flexion.
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