Abstract #3986
Improved visualization of cartilage canals using semi-quantitative susceptibility mapping
Mikko Johannes Nissi 1,2 , Ferenc Toth 3 , Cathy S Carlson 3 , and Jutta M Ellermann 1
1
CMRR, Department of Radiology, University of
Minnesota, Minneapolis, MN, United States,
2
Department
of Orthopaedic Surgery, University of Minnesota,
Minneapolis, MN, United States,
3
Department
of Veterinary Population Medicine, College of Veterinary
Medicine, University of Minnesota, St. Paul, MN, United
States
Recently, visualization of the cartilage canal vessels
of epiphyseal growth cartilage in the developing
skeleton was demonstrated using susceptibility weighted
imaging (SWI). A visualization artifact (doubling of the
vessels along B0 direction) due to the dipolar phase was
also reported. At high enough resolution, the dipolar
appearance of the phase accumulation around venous
vessels can be detected, with the resulting artifact if
simple phase mask, as in standard SWI post-processing is
used. In the present study, simplified semi-quantitative
susceptibility mapping (sQSM) approach was utilized to
resolve the dipolar phase pattern to improve the
visualization of cartilage canal vessels.
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