Abstract #4231
An improved saturation scheme for measuring gagCEST in human knee at 7 T
Vladimir Mlynarik 1 , Stefan Zbyn 1 , Vladimir Juras 1 , Pavol Szomolanyi 1 , Martin Brix 1 , Benjamin Schmitt 2 , and Siegfried Trattnig 1
1
High Field MR Center, Medical University of
Vienna, Vienna, Austria,
2
Siemens
Ltd, Macquarie Park, Australia
Application of the gagCEST mapping technique on human
knee is complicated by technical limitations of
scanners, safety regulations and by an inhomogeneous
B
0
field
over the knee cartilage. Measurements on human
volunteers using either Gaussian or adiabatic full
passage hs2 saturation pulses showed unexpected regional
variations in MTR
asym
values
in femoral cartilage. By varying frequency of the
saturation pulses in a range of 60 Hz, increased
intensity and improved homogeneity of the MTR
asym
maps
was achieved.
This abstract and the presentation materials are available to members only;
a login is required.
Join Here
