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Abstract #4701

Bone metastasis assessment using accelerated whole-body isotropic 3D T1-weighted Dixon acquisition with Compressed SENSE: a feasibility study

Zhenhong Liao1 and Xiaoyong Zhang2
1Department of Radiology, Deyang People's Hospital, Deyang, China, 2Philips Healthcare, Chengdu, China


Three-dimensional T1-weighted (T1W) Dixon as morphologic sequence has very high clinical value for the metastatic screening [1]. However, conventional multiplanar (CMP) T1W Dixon is limited by the long acquisition to achieve high resolution whole-body imaging. Therefore, this study aimed to achieve rapid whole-body high-resolution isotropic 3D T1W Dixon examination by Compressed SENSE (CSI T1W Dixon) and to investigate its feasibility in assessing bone metastases by comparing image quality and diagnosis performance with conventional multiplanar (CMP) (coronal, sagittal, axial planes) T1W Dixon scan. The results of this study suggested that high-resolution CSI T1W Dixon has potential to replace CMP T1W Dixon sequence for the assessment of bone metastasis in clinics with higher image quality and diagnostic capacity.

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