Abstract #3527

A comparative study of single shot EPI, reduced field of view EPI, PROPELLER FSE based diffusion weighted imaging in the evaluation of normal thyroid gland

Jingjing Bai¹, Xiaocheng Wei², Xijun Jiao¹, Yinxia Guo¹, Yanan Li¹, Miaomiao Wang¹, Jianxin Guo¹, and Jian Yang¹

¹The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China, ²GE Healthcare China, Beijing, China

Thyroid gland diffusion images often suffer from high level of image distortion due to poor magnetic filed homogeneity. We evaluated the image quality and compared apparent diffusion coefficient (ADC) of healthy thyroid gland using EPI DWI, rFOV DWI and PROPELLER DWI images respectively. Our results indicated that the image quality of rFOV is better than that of EPI and PROPELLER DWI, while the image quality has no significant difference between EPI and PROPELLER DWI. Moreover, there was no significant difference in ADC value between EPI and rFOV DWI images, while the ADC value of PROPELLER EPI was significantly higher.

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