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Abstract #0796

Ultra-Short TE (UTE) Imaging of Skull and a Quantitative Comparison of Skull Images Obtained from MRI and CT

Liya Wang1, Xiaodong Zhong2, Longjiang Zhang3, Diana Tiwari1, Hui Mao1

1Department of Radiology and Emory Center for Systems Imaging, Emory University School of Medicine, Atlanta, GA, United States; 2MR R&D Collaborations, Siemens healthcare, Atlanta, GA, United States; 3Department of Radiology, Jinlin Hospital and Nanjing University College of Clinical Medicine, Nanjing, Jiangsu, China

This study provided a quantitative evaluation of skull images obtained using UTE MRI and a direct comparison to those from CT. The skull thickness measured from UTE images showed good agreement with those obtained from CT images in different slices. There is also a good correlation between the thickness measurements obtained from CT and UTE images. Signal intensity based evaluation showed that there is no statistical difference between UTE and CT images in outer, inner layer and diploe of the skull. The comparison of bone UTE MRI and CT of skull suggests that UTE images match closely with CT images.