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Abstract #0311

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

1 CMRR, Department of Radiology, University of Minnesota, Minneapolis, Minnesota, United States, 2 Siemens Healthcare, Houston, Texas, United States, 3 Siemens 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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