Abstract #1184
Accelerated T2* measurements in human meniscus using projection reconstruction with data sharing from adjacent echo
Ping-Huei Tsai 1,2 , Hsiao-Wen Chung 3 , Teng-Yi Huang 4 , Wing P Chan 5 , Cheng-Yu Chen 2,6 , and Fong Y Tsai 1
1
Imaging Research Center, Taipei Medical
University, Taipei, Taiwan,
2
Department
of Medical Imaging, Taipei Medical University Hospital,
Taipei Medical University, Taipei, Taiwan,
3
Graduate
Institute of Biomedical Electronics and Bioinformatics,
National Taiwan University, Taipei, Taiwan,
4
Department
of Electrical Engineering, National Taiwan University of
Science and Technology, Taipei, Taiwan,
5
Department
of Radiology, Wan Fang Hospital, Taipei Medical
University, Taipei, Taiwan,
6
Institute
of Clinical Medicine, Taipei Medical University, Taipei,
Taiwan
Meniscus plays a critical role to maintain mechanical
function of knee and is related to initiation of
osteoarthritis. Although several papers have
demonstrated the feasibility of using UTE sequence to
target the short T2 component and derive the
corresponding T2* map, it is not easy to assess the in
vivo human meniscus T2* value with high resolution due
to a relatively long scan time. The purpose of this
study is using dual echo radial imaging sequence
conjugated with undersampled projection reconstruction
for accelerated meniscus T2* measurements. The present
finding indicated that the use of the proposed method is
able to obtain a reliable T2* value of the in vivo human
meniscus.
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