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Abstract #3024

Evaluation of banding artifacts suppression for inner ear MR imaging by 3D b-FFE-XD technique

Qiaoling Wu1 and Geli Hu2
1Department of Radiology, Peking Union Medical College Hospital,Chinese Academy of Medical Sciences, Beijing, China, 2Philips Healthcare, Beijing, China


High resolution inner ear MR imaging plays an important role for preoperative plan of hearing system, such as cochlear implant surgery etc. Nowadays, 3D balanced fast-field echo sequence (3D b-FFE) is an effective technique to deliver high-resolution images up to a spatial resolution 0.5 0.5 0.5mm. However, black banding artifacts are frequently observed in the images of inner ear anatomic structures at 3.0T due to magnetic field inhomogeneity. In this study, the 3D b-FFE-XD technique which combines a cycling RF phase with the conventional b-FFE sequence to suppress the banding artifacts and improve the image quality.

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