Brown-Sequard syndrome (BSS) is a rare neurological condition characterized by a lesion in the spinal cord which results in weakness or paralysis (hemiparaplegia) on one side of the body and a loss of sensation (hemianesthesia) on the opposite side. BSS may be caused by a spinal cord tumor, trauma (such as a puncture wound to the neck or back), ischemia (obstruction of a blood vessel), or infectious or inflammatory diseases such as tuberculosis, or multiple sclerosis.
Generally treatment for individuals with BSS focuses on the underlying cause of the disorder. Early treatment with high-dose steroids may be beneficial in many cases. Other treatment is symptomatic and supportive.
The prognosis for individuals with BSS varies depending on the cause of the disorder.
The NINDS supports and conducts a wide range of research on spinal cord disorders such as BSS. The goal of this research is to find ways to prevent, treat, and, ultimately, cure these disorders.
National Spinal Cord Injury Association
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Kew Gardens, NY 11415
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National Organization for Rare Disorders (NORD)
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National Institute of Neurological Disorders and Stroke
National Institutes of Health
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Last Modified September 29, 2011