A sagittal reconstruction of a post-myelogram CT scan displaying the effacement of the spinal cord due to the protruding thoracic disk. Note the absence of contrast anterior to the spinal cord in the region of the suspected compression. Source: Chapter 4. Imaging of the Thoracolumbar Spine, Imaging in Rehabilitation Citation: Malone TR, Hazle C, Grey ML. Imaging in Rehabilitation; 2008 Available at: https://accessphysiotherapy.mhmedical.com/DownloadImage.aspx?image=/data/books/malo1/malo1_c004f021.jpg&sec=41583067&BookID=441&ChapterSecID=41582676&imagename= Accessed: November 01, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved