Abstract #4181
Comparison of T1rho imaging between spoiled gradient echo (SPGR) and balanced steady state free precession (b-FFE) sequence of knee cartilage at 3 tesla
Taiki Nozaki 1 , Yasuhito Kaneko 1 , Hon J. Yu 1 , Kayleigh Kaneshiro 1 , Ran Schwarzkopf 2 , and Hiroshi Yoshioka 1
1
Radiological Sciences, University of
California, Irvine, Orange, California, United States,
2
Orthopaedic
Surgery, University of California, Irvine, Orange,
California, United States
T1rho-weighted MR imaging has recently been proposed as
an attractive biomarker to existing conventional
morphological MRI methods, and enables us to detect
early cartilage degeneration in early osteoarthritis
patients before appearing morphological change. However
the factors affecting the T1rho mapping such as MR
sequences and operator-dependent manual cartilage
segmentation is not well understood. The objective of
this study was to investigate the difference of T1rho
profiles between spoiled gradient echo (SPGR) and
balanced steady state free precession (b-FFE) sequences.
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