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Abstract #4161

Intravoxel Incoherent Motion Diffusion-Weighted Imaging in Pediatric Abdominal Tumor

Yanqing Xu1, Li Wang1, Zhongwei Qiao1, Ed X. Wu2

1Department of Radiology, Children Hospital of Fudan University, Shanghai, China; 2EEE of Department, Hong Kong University, Hong Kong, China

Little was known about the perfusion-related diffusion and true diffusion in pediatric abdominal tumor. This study aims to investigate the D, D* and f in pediatric abdominal tumors by using IVIM DW-MRI. Our results showed that there were no difference in ADC, D, D* and f of neuroblastoma and Wilms tumor.Perfusion-related diffusion was observed in malignant and benign tumors, however there was a low D in malignant tumor compared to benign tumor.