Abstract #4298

Differentiation of solid pseudopapillary tumor and neuroendocrine tumor of pancreas using DTI

Xinqi Wang¹, Yi Wang², Lu Wang¹, Qinhe Zhang³, Lizhi Xie⁴, and Ailian Liu³

¹School of Medical Imaging, Dalian Medical University, Dalian, China, ²Department of Radiology, Dalian Friendship Hospital, Dalian, China, ³Department of Radiology, the First Affiliated Hospital of Dalian Medical University, Dalian, China, ⁴GE Healthcare, MR Research China, Beijing, China

Synopsis

It is difficult to differentiate the solidpseudopapillary tumer of the pancreas(SPTP) from pancreatic neuroendocrine tumers (PNET), due to their similar imaging characteristics. There was significant difference in DTI quantitative parameters Fractional Aniso (FA) and Volume ratio Aniso (VRA) between SPTP and PNET. The results showed that the FA and VRA values of DTI sequence of SPTP were significantly higher than that of PNET. Therefore, DTI sequences may be an effective method to identify SPTP and PNET.

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