Abstract #3586
Stretched type adiabatic pulse with flexible TSL setting for estimation of liver function
Tomoyuki Okuaki 1 , Yukihisa Takayama 2 , Akihiko Nishie 3 , Makoto Obara 4 , Tetsuo Ogino 4 , Hiroshi Honda 3 , and Marc Van Cauteren 1
1
Philips Healthcare APAC, Tokyo, Japan,
2
Department
of Molecular Imaging and Diagnosis, Kyushu University,
Graduate School of Medical Sciences, Fukuoka, Japan,
3
Graduate
School of Medical Sciences, Department of clinical
Radiology, Kyushu University, Fukuoka, Japan,
4
Philips
Electronics Japan, Tokyo, Japan
Two stretched type adiabatic locking pulses were applied
to obtain homogeneous spin locking with flexible TSL
setting, and compared with block pulse locking. Visual
evaluation was done to assess the homogeneity of the
T1rho maps and T1rho values obtained by the three
methods were measured. The visual evaluation of T1rho
maps obtained by stretched type adiabatic pulses were
scored higher and T1rho values obtained by stretched
type adiabatic(HS8_5) was significantly different
between normal and Child-Pugh BorC, normal and
Child-Pugh A. The Stretched type adiabatic provided
homogeneous and artifact free liver T1rho maps with
flexible TSL setting at 3T.
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