Volume 7, Issue 2 (Spring 2021)                   Iran J Neurosurg 2021, 7(2): 92-106 | Back to browse issues page


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Köksal V, Osama M, Alvi M A. Non-traumatic Causes of Brown-sequard Syndrome: A Case Series and Clinical Update With Systematic Review. Iran J Neurosurg. 2021; 7 (2) :92-106
URL: http://irjns.org/article-1-263-en.html
1- Department of Neurosurgery, Samsun Health Practices and Research Center, University of Samsun, Samsun, Turkey , vanerkoksal@hotmail.com
2- Faculty of Medicine, Zagazig University, Zagazig, Egypt
3- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota, USA
Abstract:   (440 Views)
Background and Importance: Brown-Sequard Syndrome (BSS) is a rare neurological condition resulting from a hemisection injury to or unilateral compression on the spinal cord. The common causes of BSS that are amenable to be treated surgically can be divided into traumatic and non-traumatic injuries. Traumatic injuries are often reported as the main cause of BSS. However, non-traumatic injuries of the spinal cord are more seen in recent years. This study aims to classify and update surgically treatable causes of BSS.
Case Presentation: Retrospective data of 17 patients operated for BSS between 2008 and 2020 were included. The long-term outcomes of these patients were evaluated. In addition, a comprehensive search in PubMed, Scopus, and CINAHL was conducted for the retrieval of all relevant studies.
Results: Magnetic Resonance Image (MRI) of our patients revealed Cervical Disc Herniation (CDH), spinal canal stenosis with cervical spondylosis, epidural hematoma, and ossification of the posterior longitudinal ligament. The postoperative outcomes of our cases ranged from partial to complete recovery. While the patients with acute epidural hemorrhage achieved complete recovery after surgery, neurological deficits in the other patients, especially those with severe cervical spinal canal stenosis, persisted despite adequate surgical decompression. The systematic literature review revealed that CDH is the most common non-traumatic surgically treatable cause of BSS, followed by spinal cord herniation and spinal epidural hematoma.
Conclusion: Non-traumatic injuries of the spinal cord accompanied by narrowed cervical spinal canal pathologies are prominent surgically treatable causes of BSS. Contrary to the definition made 100 years ago, BSS can occur spontaneously due to underlying pathologies rather than major traumatic injuries.
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Type of Study: Case Series | Subject: Neurotrauma

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