Abstract #2816

3D MR black-blood thrombus imaging for the diagnosis of acute deep vein thrombosis at 1.5 T: a feasibility study

Guoxi Xie^1,2, Hanwei Chen³, Xueping He³, Yufeng Ye³, Zhuonan He³, Wei Deng³, Jianke Liang³, Debiao Li², Xin Liu¹, and Zhaoyang Fan²

¹Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, People's Republic of China, ²Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, United States, ³Department of Radiology, Guangzhou Panyu Central Hospital

Accurate diagnosis of acute deep vein thrombosis (DVT) is relevant for appropriate treatment and avoiding life-threatening events. Recently proposed MR black-blood thrombus imaging (BTI) has demonstrated the potential to provide high sensitive and specific diagnosis of DVT. However, previous studies were performed at 3T and patients investigated were all in subacute to chronic phases. It remains unclear that if BTI could be used for the diagnosis of acute DVT and could work at 1.5T. Therefore, we sought to prospectively assess whether BTI is feasible at 1.5T for diagnosis of acute DVT, using contrast-enhanced MR venography as the standard reference.

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