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. 2019 Nov 27;3(11):e19.00072. doi: 10.5435/JAAOSGlobal-D-19-00072

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Copyright © 2019 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the American Academy of Orthopaedic Surgeons.

This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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(A and B) Case 1 T1-weighted postcontrast preoperative sagittal and axial spinal MRI. Asterisk indicates a 5.3 x 1.5 x 2.3-cm epidural mass extending from L3 to S1 with foraminal involvement. The mass has a rim-enhancing component causing notable ventral displacement of the cauda equine. (C and D) Case 2 T1-weighted postcontrast preoperative sagittal and axial spinal MRI. Asterisk indicates a mass extending from T7 to 12 with dorsal and right-sided displacement of the spinal cord with bilateral foraminal extension.