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. 2015 Jun 15;32(12):865–874. doi: 10.1089/neu.2014.3668

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© Isaac Phang, Melissa C. Werndle, Samira Saadoun, Georgios Varsos, Marek Czosnyka, Argyro Zoumprouli, Marios C. Papadopoulos 2015; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons Attribution Noncommercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.

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FIG. 2. — Duroplasty increases space round the injured spinal cord. (A) T2 magnetic resonance imaging (MRI; top) before and after laminectomy, and (middle) before and after laminectomy+duroplasty, showing mid-sagittal anteroposterior diameter of the most compressed part of the dura (D_i), the anteroposterior diameter of the mid-vertebral dura above the level of injury (D_a), and the anteroposterior diameter of the mid-vertebral dura below the level of injury (D_b). (Bottom) Percent increase in D_i after laminectomy versus laminectomy+duroplasty. Points are patients, lines are means. (B) Top: Post-operative T2 magnetic resonance imaging (MRI) looking for cerebrospinal fluid (CSF) round the injured cord. Bottom: Numbers of patients with and without CSF around the injured cord. (C) Post-operative T2 MRI looking for expansion of the injured cord into the duroplasty. (D) T2 MRI in an American Spinal Injury Association A patient (left) before surgery, (middle) at two weeks after surgery (arrow shows pseudomeningocele), and (right) at six months after surgery (no pseudomeningocele). LAMI, laminectomy; LAMI+DURO, laminectomy+duroplasty. p<0.05*, 0.01**.