What is Brown-Séquard syndrome?

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Last updated: May 7, 2025View editorial policy

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From the Research

Brown-Sequard syndrome is a rare neurological condition caused by damage to one half of the spinal cord, resulting in a distinctive pattern of symptoms, as described in a recent study 1. Patients typically experience loss of motor function (paralysis or weakness) and loss of vibration and position sense on the same side of the body as the spinal cord injury, while experiencing loss of pain and temperature sensation on the opposite side. This unique presentation occurs because different sensory pathways cross at different levels in the spinal cord. The syndrome is most commonly caused by traumatic injuries, but can also result from tumors, infections, inflammatory conditions, or vascular problems affecting the spinal cord. Some key points to consider in the diagnosis and treatment of Brown-Sequard syndrome include:

  • The importance of early diagnosis and treatment to prevent permanent neurological damage, as highlighted in a study on spinal cord lateral hemisection 2.
  • The role of surgery, medications, or rehabilitation therapy in the treatment of Brown-Sequard syndrome, depending on the underlying cause, as discussed in a study on the treatment of penetrating spinal cord injuries 3.
  • The potential for recovery of neurological function, as seen in a study on rats with unilateral spinal cord hemisection, which found that hindlimb locomotion showed substantial recovery, whereas the ipsilesional forelimb remained in a poor functional state 4. Overall, the treatment of Brown-Sequard syndrome should prioritize early diagnosis and intervention, with a focus on preventing permanent neurological damage and promoting recovery of neurological function, as supported by the most recent and highest quality study 1.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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