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Abstract #1708

3D arterial spin label perfusion MR imaging of head and neck tumors: the initial results

Yu Chen 1 , Zhuhua Zhang 1 , Zhengyu Jin 1 , and Kaining Shi 2

1 Radiology Department, Peking Union Medical College Hospital, Beijing, Beijing, China, 2 Global MR Applications and Workflow (China),GE Healthcare, Beijing, China

This prospective study is aimed to evaluate the feasibility of 3D arterial spin label perfusion MRI technique applied to the head and neck tumors. 17 enrolled patients underwent 3D ASL MR examinations with three different PLD (1025ms, 1525ms, and 2525ms). SNRs and blood flow (BF) values of tumors or lymph nodes were analysis. The mean SNR of ASL with 1025ms was significantly higher than the other two ASL sequences (P<0.05). Mean BF values of the three ASL were not shown significant difference (P=0.514). Tumors with different histopathologic types had different BF values.

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