Difference Image Ultra-Short Echo Time T2* Mapping Using a 3D Cones Trajectory

Amin Nazaran, Grayson Tarbox, Randy Hartley, Neal Bangerter

Research output: Other contribution

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Abstract

This study introduces a methodology for detecting subtle variations in tissues with very rapid T2* decay through a difference image ultra-short T2* mapping technique using a 3D cones k-space trajectory. The new method is demonstrated in both a normal and surgically repaired Achilles tendon. The resulting UTE images are differenced and T2* values were calculated using a mono-exponential least squares fit on a voxel by voxel basis. The ultrashort T2* maps yield very consistent short T2* values in healthy tendon of 0.3-0.5 ms, while notable variations and elevations of T2* values are observed in surgically repaired tendon.

Original languageAmerican English
StatePublished - 2017
Externally publishedYes

EGS Disciplines

  • Other Analytical, Diagnostic and Therapeutic Techniques and Equipment
  • Radiology

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