Abstract #0819
Long-T2 Suppression with Low Flip-Angle b-SSFP Ultra-short TE (LA-bUTE)
Qi Peng 1
1
Gruss MRRC, Radiology, Albert Einstein
College of Medicine and Montefiore Medical Center,
Bronx, New York, United States
A major technical difficulty for UTE imaging is the
suppression of long-T2 signal to obtain positive
contrast from ultra-short-T2 components. Variations of
pre-pulse suppression and echo subtraction are currently
the two approaches used to enhance short-T2 to
long-T2-species contrast. A
L
ow
flip-
A
ngle
b
-SSFP
UTE
(
LA-bUTE
)
sequence is introduced to achieve up to 50% of long-T2
signal suppression without time penalty. It is also
demonstrated that full suppression of long-T2-tissue can
be achieved when combine LA-bUTE with traditional
pre-saturation pulses with only slight increase on scan
duration.
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