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Abstract #0664

Detection and measurement of neuroendocrine tumors liver metastases using Gd-EOB-DTPA enhanced MRI: comparison between multiple arterial phases, hepatobiliary phase, and DWI

Jia Xu1, Xuan Wang1, Hua dan Xue1, Shi tian Wang1, Hui Liu2, and Zheng yu Jin1

1Department of Radiology, Peking Union Medical College Hospital, Beijing, People's Republic of China, 2Siemens Ltd, Shanghai, People's Republic of China

The detection and evaluation of liver metastasis (LM) is important in initial staging and follow-up examinations of neuroendocrine tumors patients. Our aim is to compare different sequences including multiple arterial phases (MA), hepatobiliary phase (HA), diffusing-weighted imaging (DWI), and T2WI in Gd-EOB-DTPA-enhanced MRI, to find which sequence is better for detecting LM and which is better for size measurement. MA using CDT-VIBE were superior for the detection of small lesions. HBP imaging shows better repeatability in size measuring and may be a better choice for lesion size measurement during follow-up.

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