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. 2017 Jul 10;18:224. doi: 10.1186/s12882-017-0618-2

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Serial diffusion-weighted MRI scans demonstrated improvements in allograft perfusion following transplant renal vein thrombectomy. (a – c) Serial conventional T2 weighted images, with grossly abnormal high T2 signal throughout the allograft parenchyma. (a) POD 22 scan. (b) POD 48 scan. (c) Scan at 3 months post-transplant vein thrombectomy. (d – e) Serial pseudocolorized perfusion (“f” fraction) maps derived from diffusion-weighted MRI images, progressing from (d) minimal perfusion on POD 22, to improved but still abnormally low perfusion (e) on POD 48 and (f) at 3 months post-thrombectomy. The color bar depicts the magnitude of the perfusion fraction, with red indicating higher perfusion, and blue indicating lower perfusion