Abstract #4279

Comparison of integrated slice-specific dynamic shimming and echo-planar imaging diffusion-weighted imaging in bladder cancer detection and characterization

yujiao zhao¹, cong you¹, cheng zhang¹, feifei qu², jinxia zhu², and Thomas Benkert³

¹The First Central Clinical College of Tianjin Medical University, tianjin, China, ²MR collaborations, Siemens Healthcare, beijing, China, ³MR Application Predevelopment, Siemens Healthcare GmbH, Erlangen, Germany

Synopsis

Keywords: Urogenital, Bladder, bladder cancerThis study investigated the image quality and lesion characterization of bladder lesions on integrated slice-specific dynamic shimming (iShim) diffusion-weighted imaging (DWI) compared with single-shot echo-planar imaging (ss-EPI) DWI. The qualitative and quantitative image quality analyses were compared between the 2 DWI techniques. The diagnostic agreements of lesion characterization, including submucosal stalk and myometrial invasion, were also evaluated on DWI images compared with pathologic results. The results indicated that iShim-DWI provided better bladder tumor detection and image quality than ss-EPI DWI, suggesting that iShim-DWI might serve as a competent technique in bladder imaging.

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