Abstract #2583

Diffusion Weighted whole body Imaging with Background body signal suppression with three b value for tumorlike lesion detection in abdomen

bingbing gao¹, yanwei miao¹, ailian liu¹, jiazheng wang², zhiwei shen², jianqing sun², qingwei song¹, and nan zhang¹

¹first Affiliated hospital of Dalian medical university, Dalian, China, ²Philips Healthcare, Beijing, China, Beijing, China

The purpose of this study was to evaluate image quality of diffusion weighted whole body Imaging with background body signal suppression (DWIBS) sequence using different b values (b=0,800 and b=0,800,1500) for predicting tumor or tumorlike lesions in abdomen. The results showed index ADC image with b=0,800 depicted more lesions than b=0,1500, including false positive lesions. The ADC value of b=0,800, 1500 is less than that of b=0, 800, indicating tumor’s precise ADC value is lower than we thought before.

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