Direct Visualization of Cartilage Delamination in FAI at 3T using Multiband Acceleration
Jutta Ellermann 1 , Abraham Padua 2 , Edward Auerbach 1 , and Dingxin Wang 1,3
CMRR, Department of Radiology, University of
Minnesota, Minneapolis, Minnesota, United States,
Healthcare, Houston, Texas, United States,
Healthcare, Minneapolis, Minnesota, United States
The utility for multiband accelerated TSE imaging was
tested for FAI (Femoroacetabular Impingement), a common
clinical indication for hip studies in young active
patients. Conventional MR is limited in the assessment
of hip cartilage due to insufficient resolution.
Cartilage damage occurs deep within the tissue as a
debonding from the acetabulum, a pattern uniquely ill
suited for diagnosis with standard imaging at 3mm slice
thickness. The overall acquisition time for this
modified multiband accelerated TSE imaging protocol can
be reduced and supplemented with dedicated sequences
with increased slice resolution for improved diagnostic
accuracy of cartilage delamination, the hallmark of FAI.
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