Abstract #1181
Practical Requirements for Bi-exponential T2* fitting in Achilles tendon Measured by Variable Echo Time Sequence
Vladimir Juras 1,2 , Vladimir Mlynarik 1 , Pavol Szomolanyi 1,2 , Marek Chmelik 1 , and Siegfried Trattnig 1
1
High Field MR Centre, Department of
Biomedical Imaging and Image-Guided Therapy, Medical
University of Vienna, Vienna, Austria,
2
Department
of Measurement Science, Slovak Academy of Sciences,
Bratislava, Slovakia
The results of this study provide a guide how to perform
the bi-exponential T2* fitting in Achilles tendon.
Besides the usual conditions used in bi-exponential
fitting (such as SNR and R2 threshold), other conditions
such as limits for the ratio of T2*s and T2*l obtained
by fitting should also be considered for calculating
reasonable T2* values. The results of this study can be
extended also to other tissues (menisci, ligaments,
nerves) and is method independent (works with radial 2D
and 3D-UTE, AWSOS, SPRITE).
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