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. 2010 Jul 8;5:14. doi: 10.1186/1749-7221-5-14

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Copyright © 2010 Abul-Kasim et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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(A-C) MRI 3D CISS of patient No 1. The Coronal image (A) shows avulsion of C6 root on the right side. The intact roots are marked with arrows. Axial images (B-C) show normal C5 roots (arrows, B) and avulsion of C6 roots on the right side (arrow, C). However, exploration revealed avulsion of both C5 and C6 on the right side (false negative MRI-finding at C5). (D-F) Images of patient No 2. The coronal STIR (D) shows edema around the supra- and infraclavicular plexus. (E) Axial turbo flash image shows extremely low signal at the C5 root exit indicating bleeding. (F) Axial CT-M shows hematoma at the site of dorsal root exit (arrow head) and absence of ventral root. Black arrows show the normal C5 roots on the left side. Similar findings were revealed at the level of C6 and C7. MRI findings were concordant with the intraoperative findings.