Abstract #2554

The Influence of Temporal Resolution on the Diagnostic Accuracy of DCE-MRI in Evaluation of Prostate Cancer.

Shirin Sabouri¹, Silvia D. Chang², Edward C. Jones³, S. Larry Goldenberg ⁴, Peter C. Black⁴, and Piotr Kozlowski²

¹Physics and Astronomy, University of British Columbia, Vancouver, BC, Canada, ²Radiology, University of British Columbia, Vancouver, BC, Canada, ³Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada, ⁴Urologic Sciences, University of British Columbia, Vancouver, BC, Canada

DCE-MRI is widely used for cancer detection, and is a part of PIRADS v2 guideline for scoring prostatic lesions. Diagnostic accuracy of DCE-MRI may depend on the rate of temporal sampling. In this study we have investigated the relationship between the rate of temporal sampling of DCE-MRI and the accuracy of detection of prostatic carcinoma. We have acquired and analyzed DCE-MRI data from 15 patients. Our results show that the accuracy of DCE-MRI in detection of prostatic carcinoma is not affected by sampling rates between 3.4 to 13.6 seconds.

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