Abstract #0312

Imaging of the Thoracic Spinal Cord using Radially Sampled Averaged Magnetization Inversion Recovery Acquisitions (rAMIRA)

Matthias Weigel^1,2, Tanja Haas^1,3, and Oliver Bieri^1,2

¹Division of Radiological Physics, Dept. of Radiology, University Hospital Basel, Basel, Switzerland, ²Dept. of Biomedical Engineering, University of Basel, Basel, Switzerland, ³Dept. of Radiology, University Hospital Basel, Basel, Switzerland

Particularly for improved imaging of the thoracic spinal cord, a radial sampling variant of the averaged magnetization inversion recovery acquisitions approach was developed (radial AMIRA). The radial AMIRA approach is less prone to fold over artifacts and it is demonstrated that simple pulse triggering removes potential streak artifacts that may occur near big vessels or near the heart. Just as for the conventional Cartesian AMIRA approach, a series of images with remarkable different tissue contrasts is acquired and some of these images can be combined to enhance and fine-tune the desired tissue contrast.

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