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Free-breathing T1-weighted black-blood vessel wall MRI based on radial imaging with motion sensitized driven equilibrium (MSDE) preparation
Takashi Namiki1, Hiroshi Hamano1, Naoki Udo2, Inka Ristow3, Felicia-Marie von Düring3, Alexander Lenz3, Shuo Zhang4, and Masami Yoneyama1
1Philips Japan, Tokyo, Japan, 2Department of Radiological technology , Yuuai Medical Center, Okinawa, Japan, 3Department of Diagnostic and Interventional Radiology and Nuclear Medicine, University Hospital Hamburg-Eppendorf, Hamburg, Germany, 4Philips, Hamburg, Germany
Free-breathing black-blood MRI of the main thoracoabdominal vessels using MSDE-prepared radial imaging is possible without additional motion compensation. A uniform blood suppression independent from the contrast agent T1-shortening effect may permit assessment of wall abnormalities. 
Table 1. Imaging parameters of free-breathing MSDE-prepared 3D golden-angle radial stack-of-stars (3D Vane-MSDE) and 2D TSE MultiVane XD (MVXD-MSDE) used in this study. Conventional Cartesian 3D TSE with MSDE-preparation and motion compensation was performed for comparison (3D TSE-MSDE).
Figure 2. Free-breathing black-blood imaging with proposed 3D Vane-MSDE and MVXD-MSDE. Homogeneous blood suppression was achieved by MSDE preparation in both aorta (yellow arrows) and inferior vena cava (arrow heads). Images were selected at four different levels from top of the kidney to aortic bifurcation in a healthy volunteer. Conventional bright-blood 3D Vane and T2 MVXD images at the corresponding slice locations were shown for comparison.