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Abstract #2096

A fast and contrast-free MR approach to the diagnosis of deep vein thrombosis based on DANTE-prepared gradient echo

Huan Mao1, Kewen Peng2, Xueping He3, Hanwei Chen3, Xiaoyong Zhang4, Xiaoming Bi5, Xin Liu6, Debiao Li7, Zhaoyang Fan7, and Guoxi Xie1

1School of Basic Sciences, Guangzhou Medical University, Guangzhou, China, 2Department of Radiology, Nanshan people’s hospital, Shenzhen, China, 3Department of Radiology, Panyu Central hospital, Guangzhou, China, 4MR Collaborations, Siemens Healthcare Ltd, Shenzhen, China, 5MR R&D, Siemens Healthineers, Los Angeles, CA, United States, 6Paul C. Lauterbur Biomedical Imaging Center, Shenzhen Institutes of Advanced Technology, Shenzhen, China, 7Biomedical Imaging Research Institute, Cedars Sinai Medical Center, Los Angeles, CA, United States

Black-blood magnetic resonance thrombus imaging (BTI) has proved successful for the diagnosis of deep vein thrombosis (DVT) with high sensitivity, specificity, and accuracy. Previous BTI method is based on a 3D variable flip angle fast spin echo (3D-vFSE) sequence, which has high specific absorption rate (SAR). DANTE-FLASH is another black-blood MR technique previously proposed for vessel wall imaging at lower extremities1. We hypothesized that DANTE-FLASH may suffice the purpose of diagnosing DVT while avoiding high SAR. This work was aimed to investigate the feasibility of using DANTE-FLASH to diagnose DVT.

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