-Brown-Séquard syndrome.

Brown-Séquard syndrome.
(Hemisection of spinal cord.)

*Aetiology:-
lesion in one side of the spinal cord as:-

• Stab wound.
• Disc prolapse.
• D.S.
• Tumor.
  
  

*Clinical picture:-
A)AT the level of the lesion:-

• Ipsilateral localized LMNL of the muscles supplied by the affected segment.
• Ipsilateral loss of all sensations from the area supplied by the dorsal root of the affected segment.

B)Below the level of the lesion:-

• Ipsilateral monoplegia(If the lesion below c5) or ipsilateral hemiplegia (If the lesion between c1-c5)
• Contralateral loss of pain and temperature 2 segments below the level of the lesion due to damage of the lateral spinothalamic tract.
• Ipsilateral deep sensory loss.
• Diminution of touch sensation on both sides.
• Ipsilateral Horner'syndrome in lesions above T1 due to damage of sympathetic fibers descending to T1.

Dr Ibrahim

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