Abstract #3548
Relevance of respiratory gating for proton Lung MRI
Marta Tibiletti 1 , Jan Paul 2 , Detlef Stiller 3 , and Volker Rasche 1,2
1
Core Facility Small Animal MRI, University
of Ulm, Ulm, BW, Germany,
2
Department
of Internal Medicin II, University Hospital Ulm, Ulm,
BW, Germany,
3
Target Discovery Research
Germany, Boehringer Ingelheim Pharma GmbH & Co. KG,
Biberach, BW, Germany
We have tested the effect of prospective respiratory
gating on image sharpness in two radial short T2 method
(THRIVE and UTE) for lung imaging in human volunteers at
3T. Qualitative and quantitative results show a
significant increase in image sharpness in gated
acquisition with respect to not gated ones. We have
demonstrated that respiratory gating is necessary when
high definition images of lung vessels and airways are
needed, even if radial acquisitions are robust to
movement artifacts and prospective gating typically
double acquisition time. UTE acquisitions show promising
results for vessels visualization without contrast
agent.
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