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Extradural Arachnoid Cyst Excision

Boody, Barrett MD*; Lucasti, Christopher J. BS*; Schroeder, Gregory D. MD*; Heller, Joshua E. MD; Vaccaro, Alexander R. MD, PhD, MBA*

doi: 10.1097/BSD.0000000000000639
Surgical Technique
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SDC

Arachnoid cysts are an uncommon postoperative complication and can result in back pain, radiculopathy, and/or cauda equina syndrome. For symptomatic postoperative arachnoid cysts, surgical management is the accepted treatment. While excision of arachnoid cysts is the preferred surgical method, cysts with adhesions to nerve roots and/or dura can be treated with cyst fenestration to reduce morbidity of excision. Surgeons should be prepared for dural defects after cyst excision, which can require dural grafting and lumbar drains for cerebrospinal fluid diversion.

*Department of Orthopaedic Surgery, Thomas Jefferson University and The Rothman Institute

Department of Neurosurgery, Thomas Jefferson University, Philadelphia, PA

Dr Schroeder has received funds to travel from AO Spine and Medtronic. Dr Vaccaro has consulted or has done independent contracting for DePuy, Medtronic, Stryker Spine, Globus, Stout Medical, Gerson Lehrman Group, Guidepoint Global, Medacorp, Innovative Surgical Design, Orthobullets, Ellipse, and Vertex. He has also served on the scientific advisory board/board of directors/committees for Flagship Surgical, AO Spine, Innovative Surgical Design, and Association of Collaborative Spine Research. Dr Vaccaro has received royalty payments from Medtronic, Stryker Spine, Globus, Aesculap, Thieme, Jaypee, Elsevier, and Taylor Francis/Hodder and Stoughton. He has stock/stock option ownership interests in Replication Medica, Globus, Paradigm Spine, Stout Medical, Progressive Spinal Technologies, Advanced Spinal Intellectual Properties, Spine Medica, Computational Biodynamics, Spinology, In Vivo, Flagship Surgical, Cytonics, Bonovo Orthopaedics, Electrocore, Gamma Spine, Location Based Intelligence, FlowPharma, R.S.I., Rothman Institute and Related Properties, Innovative Surgical Design, and Avaz Surgical. He has also served as deputy editor/editor of Spine. In addition, Dr Vaccaro has also provided expert testimony. The remaining authors declare no conflict of interest.

Reprints: Christopher J. Lucasti, BS, Department of Orthopaedic Surgery, Thomas Jefferson University and The Rothman Institute, Philadelphia, PA 19107 (e-mail: christopherjlucasti@gmail.com).

Received October 17, 2017

Accepted December 14, 2017

© 2019 by Lippincott Williams & Wilkins, Inc.