Abstract #1203
T1rho mapping of the entire femoral cartilage using novel depth and angle dependent analysis
Taiki Nozaki 1 , Yasuhito Kaneko 1 , Hon J. Yu 1 , Kayleigh Kaneshiro 1 , Ran Schwarzkopf 2 , Takeshi Hara 3 , 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,
3
Intelligent
Image Information, Gifu University Graduate School of
Medicine, Gifu, Japan
T1rho-weighted MR imaging enables us to detect early
cartilage degeneration in early osteoarthritis patients
before appearing morphological change. However for the
methodology of segmentation, the number of slices
measured is only one or several slices, not all slices
from the knee in most of reports, and there is no
previous publication about normal entire femoral T1rho
map profiles for analyzing regional or cartilage layer
variations. The objective of this study was to create
normalized T1rho profiles of healthy entire femoral
cartilage with 3 dimensional angular and depth dependent
analysis, and evaluate their usefulness.
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