PAIN
Volume 2, Issue 2 , Pages 185-195, June 1976

Diverse sensory functions with an almost totally divided spinal cord. A case of spinal cord transection with preservation of part of one anterolateral quadrant

  • W. Noordenbos

      Affiliations

    • Department of Neurosurgery, University Hospital, Wilhelmina Gasthuis, Amsterdam The Netherlands
    • Department of Anatomy, University College London, London Great Britain
    • ,
  • P.D. Wall

      Affiliations

    • Department of Neurosurgery, University Hospital, Wilhelmina Gasthuis, Amsterdam The Netherlands
    • Department of Anatomy, University College London, London Great Britain

Accepted 23 March 1976.

Abstract 

The spinal cord of a patient had been completely and cleanly cut across at the Th3 segment except for part of one anterolateral quadrant. The extent of the lesion was clearly verified at an open surgical inspection. There was complete paralysis below the level of the lesion. The classical expectations of her sensory status were confirmed in only 2 ways:

(1) Temperature could be identified only on the side opposite the intact quadrant.

(2) Pin prick could be only identified on this contralateral side.

Against classical expectations were the following findings:

(1) Localisation of touch and pressure stimuli was reasonably accurate on both sides.

(2) Passive movement could be detected on the homolateral side.

(3) Pain could be evoked by stimulation of both sides.

(4) Von Frey hair stimuli could be identified on both sides.

(5) Repeated sub threshold stimulation markedly lowered the threshold for detecting von Frey hairs.

This case implies that there must be a revision of the traditional labelling of the function of the spinal cord afferent systems.

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PII: 0304-3959(76)90114-7

PAIN
Volume 2, Issue 2 , Pages 185-195, June 1976

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