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. 2017 Dec 28;9(12):416–425. doi: 10.4329/wjr.v9.i12.416

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©The Author(s) 2017. Published by Baishideng Publishing Group Inc. All rights reserved.

Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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Example of enhancement kinetics pattern from two regions-of-interest. A: Transverse T2-weighted image. The green regions-of-interest (ROIs) corresponds to a benign PZ region. The red ROI corresponds to region with prostate cancer; B: Contrast curves of the two ROIs shown in A. The curves are characteristic of the types of time-intensity curves obtained with dynamic contrast-enhanced MRI. The green ROI shows moderately slow and slight enhancement wash-in pattern. This is characteristic for many benign, enhancing tissues, such as normal prostate tissue. The red ROI shows a rapid rise in signal intensity with subsequent wash-out as is typical in tumors.