Abstract #2283

Comparing Performance of a New 50-Channel Pelvic Coil to that of the 30-Channel Anterior Array Coil for MRI of the Prostate

Milica Medved^1,2, Sherry Huang³, Ambereen Yousuf^1,2, Roger M Engelmann¹, Senthooran Kalidoss⁴, Ahmed Hamimi¹, Clyve Conrad Follante⁵, Yun Jeong Stickle⁵, Fraser Robb⁵, Arnaud Guidon⁶, Aytekin Oto^1,2, and Grace Lee^1,2

¹Radiology, The University of Chicago, Chicago, IL, United States, ²Sanford J. Grossman Center of Excellence in Prostate Imaging and Image Guided Therapy, The University of Chicago, Chicago, IL, United States, ³GE Healthcare, Royal Oak, MI, United States, ⁴University of Chicago Pritzker School of Medicine, The University of Chicago, Chicago, IL, United States, ⁵GE Healthcare, Aurora, OH, United States, ⁶GE Healthcare, Boston, MA, United States

Synopsis

Keywords: Prostate, Cancer

Motivation: Increased SNR and artifact reduction in diffusion- and T2-weighted images can increase performance of multiparametric-MRI (mpMRI) of the prostate.

Goal(s): To evaluate image quality, degree of artifacts, and signal- and contrast-to-noise ratios of diffusion- and T2-weighted images obtained using the new 50-channel-pelvic coil.

Approach: Matched diffusion- and T2-weighted MR images of 6 men obtained at 3T using the new pelvic and standard anterior-array coils were evaluated.

Results: SNR and CNR of diffusion- and T2-weighted images were higher for the 50-channel pelvic coil. Image quality and artifact scores of the high b-value diffusion- and T2-weighted images were generally higher for the 50-channel pelvic coil.

Impact: The 50-channel pelvic coil demonstrated higher image quality, SNR, and CNR and lower artifact levels in DWI/ADC and T2-weighted images, the most diagnostic sequences for prostate MRI. This can improve detection of prostate cancer and confidence of extraprostatic extension evaluation.

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