patient has a sensory level at T3 with decreased pain sensat

Discussion in 'MRCP Forum' started by dr.anil, Aug 6, 2006.

  1. dr.anil

    dr.anil Guest

    patient has a sensory level at T3 with decreased pain sensation below the level including the leg. The left sided T3 sensory level combines with upper extremity sensory findings. This indicates a lesion of the right side of the spinal cord at
    a) C5-C6
    b) C6-C7
    c) C7-C8
    d) C8-T1
    e) T1-T2

    The correct answer is D
    Explanation
    This patient has a sensory level at T3 with decreased pain sensation below the level including the leg. The sensory level is one to two spinal cord segment levels below the actual anatomical cord lesion because the spinothalamic axons ascend several spinal cord levels prior to crossing. The left sided T3 sensory level combined with this patient's upper extremity sensory finding indicates a lesion of the right side of the spinal cord at the C8-T1 level.


    A

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