questions 3

Brown-Sequard Syndrome

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Topic updated on 03/14/17 11:04pm

Introduction
  • A unique pathology resulting from hemisection of spinal cord 
  • Review spinal cord neuroanatomy to understand presentation
Presentation
  • Symptoms/Physical exam 
    • ipsilateral 
      • loss of all sensation at level of lesion
      • LMN sign at level of lesion 
      • UMN signs at levels below lesion
        • result of corticospinal tract destruction
      • ipsilateral loss of tactile, vibration, and proprioception sense at levels below lesion
        • result of dorsal column tract destruction
      • ipsilateral Horner's syndrome 
        • if lesion occurs above T1
    • contralateral 
      • loss of pain and temperature sense at levels below lesion
        • result of spinothalamaic tract destruction


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Qbank (1 Questions)

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(M1.NE.4694) A 27-year-old gentleman is brought into the ED after being stabbed in the back by a knife. In addition to the pain from the wound, he complains of weakness in his left leg. Upon physical examination you find that he has no other visible injuries; however, he has 2/5 strength in the left lower extremity. Complete neurologic exam also finds a deficit in vibration sense and light touch on the left lower extremity as well as a loss of pain and temperature sensation in the right lower extremity. Which of the following lesions would result in the syndrome described? Topic Review Topic

1. Anterior cord lesion
2. Posterior cord lesion
3. Right cord hemisection
4. Left cord hemisection
5. Complete cord transection

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