Abstract #3256
Susceptibility blooming effect: Quantifying spatial resolution dependence
Jean-Christophe Brisset 1 , Pippa Storey 1 , and Yulin Ge 1
1
Radiology, New York University Langone, New
York, NY, United States
Susceptibility blooming effect in MRI refers to signal
loss due to local field inhomogeneity and spin dephasing
that extends outside the true object size with enhanced
visibility. The purpose of this study is to explore and
quantify the spatial resolution dependence of blooming
factor at 7T. A phantom was made using plastic cylinders
(diameter 3mm) filled with different iron concentrations
of Ferumoxytol. Our data suggest that the acquisition
matrix have an impact to measure the susceptibility
blooming effect. In a clinical perspective, the blooming
factor could be helpful to enhance the detection of
smaller lesions (e.g. those smaller than the voxel).
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