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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