Abstract #4178
Assessment of the clinical relevance of triple-echo steady-state T2 mapping in articular cartilage
Vladimir Juras 1,2 , Klaus Bohndorf 1 , Rahel Heule 3 , Claudia Kronnerwetter 1 , Pavol Szomolanyi 1,2 , Benedikt Hager 1 , Oliver Bieri 3 , 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 Imaging Methods, Institute of Measurement Science,
Bratislava, Slovakia,
3
Division
of Radiological Physics, Department of Radiology,
University of Basel Hospital, Basel, Switzerland
A clinical relevance of T2 mapping in cartilage measured
by recently introduced triple-echo steady-state
(3D-TESS) sequence was assessed by comparing to standard
multi-echo spin-echo T2 at 3T MRI. Both methods
demonstrated the ability to distinguish between healthy
cartilage and lesions. Most importantly, 3D-TESS
provides results similar to CPMG within substantially
shorter scan times and are B0- and B1-insensitive. This
benefit will be even more pronounced at ultra-high-field
MR systems, where the TA of conventional T2 mapping is
substantially compromised due to specific absorption
rate issues.
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